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Finding the Fourth Proportional to 104,915.63, 144,783.63 and 57,168.96

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Solution

The fourth proportional to 104,915.63, 144,783.63 and 57,168.96 is: 78,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,915.63 : 144,783.63 = 57,168.96 : x
  2. Step 2: Convert to fraction form
    104,915.63/144,783.63 = 57,168.96/x
  3. Step 3: Cross multiply
    104,915.63x = 144,783.63 × 57,168.96
  4. Step 4: Simplify right side
    104,915.63x = 8,277,129,552.12
  5. Step 5: Solve for x
    x = 8,277,129,552.12/104,915.63
  6. Step 6: Final answer
    x = 78,893.20

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