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Finding the Fourth Proportional to 117,486.09, 176,228.33 and 28,740.87

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Solution

The fourth proportional to 117,486.09, 176,228.33 and 28,740.87 is: 43,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,486.09 : 176,228.33 = 28,740.87 : x
  2. Step 2: Convert to fraction form
    117,486.09/176,228.33 = 28,740.87/x
  3. Step 3: Cross multiply
    117,486.09x = 176,228.33 × 28,740.87
  4. Step 4: Simplify right side
    117,486.09x = 5,064,955,379.14
  5. Step 5: Solve for x
    x = 5,064,955,379.14/117,486.09
  6. Step 6: Final answer
    x = 43,111.11

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