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Finding the Fourth Proportional to 170,762.80, 256,171.20 and 58,453.60

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Solution

The fourth proportional to 170,762.80, 256,171.20 and 58,453.60 is: 87,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,762.80 : 256,171.20 = 58,453.60 : x
  2. Step 2: Convert to fraction form
    170,762.80/256,171.20 = 58,453.60/x
  3. Step 3: Cross multiply
    170,762.80x = 256,171.20 × 58,453.60
  4. Step 4: Simplify right side
    170,762.80x = 14,974,128,856.32
  5. Step 5: Solve for x
    x = 14,974,128,856.32/170,762.80
  6. Step 6: Final answer
    x = 87,689.64

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