Finding the Fourth Proportional to 12,339.92, 17,025.72 and 7,032.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,339.92 : 17,025.72 = 7,032.80 : x
2. Step 2: Convert to fraction form
   12,339.92/17,025.72 = 7,032.80/x
3. Step 3: Cross multiply
   12,339.92x = 17,025.72 × 7,032.80
4. Step 4: Simplify right side
   12,339.92x = 119,738,483.62
5. Step 5: Solve for x
   x = 119,738,483.62/12,339.92
6. Step 6: Final answer
   x = 9,703.34