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Finding the Fourth Proportional to 88,700.90, 133,051.35 and 84,326.90

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Solution

The fourth proportional to 88,700.90, 133,051.35 and 84,326.90 is: 126,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,700.90 : 133,051.35 = 84,326.90 : x
  2. Step 2: Convert to fraction form
    88,700.90/133,051.35 = 84,326.90/x
  3. Step 3: Cross multiply
    88,700.90x = 133,051.35 × 84,326.90
  4. Step 4: Simplify right side
    88,700.90x = 11,219,807,886.32
  5. Step 5: Solve for x
    x = 11,219,807,886.32/88,700.90
  6. Step 6: Final answer
    x = 126,490.35

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