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Finding the Fourth Proportional to 88,688.58, 133,155.90 and 55,539.06

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Solution

The fourth proportional to 88,688.58, 133,155.90 and 55,539.06 is: 83,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688.58 : 133,155.90 = 55,539.06 : x
  2. Step 2: Convert to fraction form
    88,688.58/133,155.90 = 55,539.06/x
  3. Step 3: Cross multiply
    88,688.58x = 133,155.90 × 55,539.06
  4. Step 4: Simplify right side
    88,688.58x = 7,395,353,519.45
  5. Step 5: Solve for x
    x = 7,395,353,519.45/88,688.58
  6. Step 6: Final answer
    x = 83,385.63

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