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Finding the Fourth Proportional to 198,651.18, 298,038.99 and 65,624.88

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Solution

The fourth proportional to 198,651.18, 298,038.99 and 65,624.88 is: 98,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,651.18 : 298,038.99 = 65,624.88 : x
  2. Step 2: Convert to fraction form
    198,651.18/298,038.99 = 65,624.88/x
  3. Step 3: Cross multiply
    198,651.18x = 298,038.99 × 65,624.88
  4. Step 4: Simplify right side
    198,651.18x = 19,558,772,954.07
  5. Step 5: Solve for x
    x = 19,558,772,954.07/198,651.18
  6. Step 6: Final answer
    x = 98,457.87

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