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Finding the Fourth Proportional to 113,973.90, 170,907.17 and 66,602.67

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Solution

The fourth proportional to 113,973.90, 170,907.17 and 66,602.67 is: 99,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,973.90 : 170,907.17 = 66,602.67 : x
  2. Step 2: Convert to fraction form
    113,973.90/170,907.17 = 66,602.67/x
  3. Step 3: Cross multiply
    113,973.90x = 170,907.17 × 66,602.67
  4. Step 4: Simplify right side
    113,973.90x = 11,382,873,511.13
  5. Step 5: Solve for x
    x = 11,382,873,511.13/113,973.90
  6. Step 6: Final answer
    x = 99,872.63

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