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Finding the Fourth Proportional to 204,993.99, 307,461.23 and 78,666.04

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Solution

The fourth proportional to 204,993.99, 307,461.23 and 78,666.04 is: 117,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,993.99 : 307,461.23 = 78,666.04 : x
  2. Step 2: Convert to fraction form
    204,993.99/307,461.23 = 78,666.04/x
  3. Step 3: Cross multiply
    204,993.99x = 307,461.23 × 78,666.04
  4. Step 4: Simplify right side
    204,993.99x = 24,186,756,416.65
  5. Step 5: Solve for x
    x = 24,186,756,416.65/204,993.99
  6. Step 6: Final answer
    x = 117,987.64

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