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Finding the Fourth Proportional to 99,192.74, 136,888.65 and 58,359.71

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Solution

The fourth proportional to 99,192.74, 136,888.65 and 58,359.71 is: 80,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192.74 : 136,888.65 = 58,359.71 : x
  2. Step 2: Convert to fraction form
    99,192.74/136,888.65 = 58,359.71/x
  3. Step 3: Cross multiply
    99,192.74x = 136,888.65 × 58,359.71
  4. Step 4: Simplify right side
    99,192.74x = 7,988,782,258.51
  5. Step 5: Solve for x
    x = 7,988,782,258.51/99,192.74
  6. Step 6: Final answer
    x = 80,537.98

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