Finding the Fourth Proportional to 9,031.50, 12,463.72 and 5,053.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.50 : 12,463.72 = 5,053.30 : x
2. Step 2: Convert to fraction form
   9,031.50/12,463.72 = 5,053.30/x
3. Step 3: Cross multiply
   9,031.50x = 12,463.72 × 5,053.30
4. Step 4: Simplify right side
   9,031.50x = 62,982,916.28
5. Step 5: Solve for x
   x = 62,982,916.28/9,031.50
6. Step 6: Final answer
   x = 6,973.69