Finding the Fourth Proportional to 9,010.31, 12,434.18 and 5,031.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,010.31 : 12,434.18 = 5,031.43 : x
2. Step 2: Convert to fraction form
   9,010.31/12,434.18 = 5,031.43/x
3. Step 3: Cross multiply
   9,010.31x = 12,434.18 × 5,031.43
4. Step 4: Simplify right side
   9,010.31x = 62,561,687.77
5. Step 5: Solve for x
   x = 62,561,687.77/9,010.31
6. Step 6: Final answer
   x = 6,943.34