Finding the Fourth Proportional to 636,626.56, 955,002.12 and 231,928.69

Step by Step Solution

1. Step 1: Write the proportion equation
   636,626.56 : 955,002.12 = 231,928.69 : x
2. Step 2: Convert to fraction form
   636,626.56/955,002.12 = 231,928.69/x
3. Step 3: Cross multiply
   636,626.56x = 955,002.12 × 231,928.69
4. Step 4: Simplify right side
   636,626.56x = 221,492,390,638.82
5. Step 5: Solve for x
   x = 221,492,390,638.82/636,626.56
6. Step 6: Final answer
   x = 347,915.72