Finding the Fourth Proportional to 9,242.82, 12,755.10 and 5,264.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,242.82 : 12,755.10 = 5,264.31 : x
2. Step 2: Convert to fraction form
   9,242.82/12,755.10 = 5,264.31/x
3. Step 3: Cross multiply
   9,242.82x = 12,755.10 × 5,264.31
4. Step 4: Simplify right side
   9,242.82x = 67,146,710.38
5. Step 5: Solve for x
   x = 67,146,710.38/9,242.82
6. Step 6: Final answer
   x = 7,264.74