Finding the Fourth Proportional to 12,792.72, 17,654.28 and 7,487.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,792.72 : 17,654.28 = 7,487.62 : x
2. Step 2: Convert to fraction form
   12,792.72/17,654.28 = 7,487.62/x
3. Step 3: Cross multiply
   12,792.72x = 17,654.28 × 7,487.62
4. Step 4: Simplify right side
   12,792.72x = 132,188,540.01
5. Step 5: Solve for x
   x = 132,188,540.01/12,792.72
6. Step 6: Final answer
   x = 10,333.11