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Finding the Fourth Proportional to 230,707.90, 346,059.76 and 72,936.40

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Solution

The fourth proportional to 230,707.90, 346,059.76 and 72,936.40 is: 109,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,707.90 : 346,059.76 = 72,936.40 : x
  2. Step 2: Convert to fraction form
    230,707.90/346,059.76 = 72,936.40/x
  3. Step 3: Cross multiply
    230,707.90x = 346,059.76 × 72,936.40
  4. Step 4: Simplify right side
    230,707.90x = 25,240,353,079.26
  5. Step 5: Solve for x
    x = 25,240,353,079.26/230,707.90
  6. Step 6: Final answer
    x = 109,403.94

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