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Finding the Fourth Proportional to 116,663.32, 160,993.98 and 66,362.20

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Solution

The fourth proportional to 116,663.32, 160,993.98 and 66,362.20 is: 91,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,663.32 : 160,993.98 = 66,362.20 : x
  2. Step 2: Convert to fraction form
    116,663.32/160,993.98 = 66,362.20/x
  3. Step 3: Cross multiply
    116,663.32x = 160,993.98 × 66,362.20
  4. Step 4: Simplify right side
    116,663.32x = 10,683,914,699.56
  5. Step 5: Solve for x
    x = 10,683,914,699.56/116,663.32
  6. Step 6: Final answer
    x = 91,579.04

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