Finding the Fourth Proportional to 9,031.17, 12,461.87 and 5,255.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.17 : 12,461.87 = 5,255.56 : x
2. Step 2: Convert to fraction form
   9,031.17/12,461.87 = 5,255.56/x
3. Step 3: Cross multiply
   9,031.17x = 12,461.87 × 5,255.56
4. Step 4: Simplify right side
   9,031.17x = 65,494,087.48
5. Step 5: Solve for x
   x = 65,494,087.48/9,031.17
6. Step 6: Final answer
   x = 7,252.00