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Finding the Fourth Proportional to 260,409.85, 389,977.79 and 235,166.38

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Solution

The fourth proportional to 260,409.85, 389,977.79 and 235,166.38 is: 352,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,409.85 : 389,977.79 = 235,166.38 : x
  2. Step 2: Convert to fraction form
    260,409.85/389,977.79 = 235,166.38/x
  3. Step 3: Cross multiply
    260,409.85x = 389,977.79 × 235,166.38
  4. Step 4: Simplify right side
    260,409.85x = 91,709,663,204.81
  5. Step 5: Solve for x
    x = 91,709,663,204.81/260,409.85
  6. Step 6: Final answer
    x = 352,174.33

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