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Finding the Fourth Proportional to 355,230.40, 532,845.60 and 105,912.40

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Solution

The fourth proportional to 355,230.40, 532,845.60 and 105,912.40 is: 158,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,230.40 : 532,845.60 = 105,912.40 : x
  2. Step 2: Convert to fraction form
    355,230.40/532,845.60 = 105,912.40/x
  3. Step 3: Cross multiply
    355,230.40x = 532,845.60 × 105,912.40
  4. Step 4: Simplify right side
    355,230.40x = 56,434,956,325.44
  5. Step 5: Solve for x
    x = 56,434,956,325.44/355,230.40
  6. Step 6: Final answer
    x = 158,868.60

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