Finding the Fourth Proportional to 9,038.30, 12,472.92 and 5,059.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,038.30 : 12,472.92 = 5,059.40 : x
2. Step 2: Convert to fraction form
   9,038.30/12,472.92 = 5,059.40/x
3. Step 3: Cross multiply
   9,038.30x = 12,472.92 × 5,059.40
4. Step 4: Simplify right side
   9,038.30x = 63,105,429.08
5. Step 5: Solve for x
   x = 63,105,429.08/9,038.30
6. Step 6: Final answer
   x = 6,982.01