Finding the Fourth Proportional to 9,042.57, 12,477.92 and 5,265.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,042.57 : 12,477.92 = 5,265.54 : x
2. Step 2: Convert to fraction form
   9,042.57/12,477.92 = 5,265.54/x
3. Step 3: Cross multiply
   9,042.57x = 12,477.92 × 5,265.54
4. Step 4: Simplify right side
   9,042.57x = 65,702,960.55
5. Step 5: Solve for x
   x = 65,702,960.55/9,042.57
6. Step 6: Final answer
   x = 7,265.96