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Finding the Fourth Proportional to 338,950.04, 508,418.66 and 82,786.73

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Solution

The fourth proportional to 338,950.04, 508,418.66 and 82,786.73 is: 124,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,950.04 : 508,418.66 = 82,786.73 : x
  2. Step 2: Convert to fraction form
    338,950.04/508,418.66 = 82,786.73/x
  3. Step 3: Cross multiply
    338,950.04x = 508,418.66 × 82,786.73
  4. Step 4: Simplify right side
    338,950.04x = 42,090,315,376.35
  5. Step 5: Solve for x
    x = 42,090,315,376.35/338,950.04
  6. Step 6: Final answer
    x = 124,178.52

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