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Finding the Fourth Proportional to 448,747.38, 673,115.87 and 128,907.08

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Solution

The fourth proportional to 448,747.38, 673,115.87 and 128,907.08 is: 193,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,747.38 : 673,115.87 = 128,907.08 : x
  2. Step 2: Convert to fraction form
    448,747.38/673,115.87 = 128,907.08/x
  3. Step 3: Cross multiply
    448,747.38x = 673,115.87 × 128,907.08
  4. Step 4: Simplify right side
    448,747.38x = 86,769,401,303.36
  5. Step 5: Solve for x
    x = 86,769,401,303.36/448,747.38
  6. Step 6: Final answer
    x = 193,359.13

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