Finding the Fourth Proportional to 9,242.91, 12,755.75 and 5,706.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,242.91 : 12,755.75 = 5,706.18 : x
2. Step 2: Convert to fraction form
   9,242.91/12,755.75 = 5,706.18/x
3. Step 3: Cross multiply
   9,242.91x = 12,755.75 × 5,706.18
4. Step 4: Simplify right side
   9,242.91x = 72,786,577.00
5. Step 5: Solve for x
   x = 72,786,577.00/9,242.91
6. Step 6: Final answer
   x = 7,874.86