Finding the Fourth Proportional to 9,064.31, 12,508.83 and 5,031.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.31 : 12,508.83 = 5,031.18 : x
2. Step 2: Convert to fraction form
   9,064.31/12,508.83 = 5,031.18/x
3. Step 3: Cross multiply
   9,064.31x = 12,508.83 × 5,031.18
4. Step 4: Simplify right side
   9,064.31x = 62,934,175.32
5. Step 5: Solve for x
   x = 62,934,175.32/9,064.31
6. Step 6: Final answer
   x = 6,943.08