Finding the Fourth Proportional to 9,060.52, 12,499.25 and 6,409.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,060.52 : 12,499.25 = 6,409.39 : x
2. Step 2: Convert to fraction form
   9,060.52/12,499.25 = 6,409.39/x
3. Step 3: Cross multiply
   9,060.52x = 12,499.25 × 6,409.39
4. Step 4: Simplify right side
   9,060.52x = 80,112,552.73
5. Step 5: Solve for x
   x = 80,112,552.73/9,060.52
6. Step 6: Final answer
   x = 8,841.94