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Finding the Fourth Proportional to 384,557.40, 576,836.10 and 162,912.60

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Solution

The fourth proportional to 384,557.40, 576,836.10 and 162,912.60 is: 244,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,557.40 : 576,836.10 = 162,912.60 : x
  2. Step 2: Convert to fraction form
    384,557.40/576,836.10 = 162,912.60/x
  3. Step 3: Cross multiply
    384,557.40x = 576,836.10 × 162,912.60
  4. Step 4: Simplify right side
    384,557.40x = 93,973,868,824.86
  5. Step 5: Solve for x
    x = 93,973,868,824.86/384,557.40
  6. Step 6: Final answer
    x = 244,368.90

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