Finding the Fourth Proportional to 12,793.60, 17,659.20 and 7,491.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,793.60 : 17,659.20 = 7,491.04 : x
2. Step 2: Convert to fraction form
   12,793.60/17,659.20 = 7,491.04/x
3. Step 3: Cross multiply
   12,793.60x = 17,659.20 × 7,491.04
4. Step 4: Simplify right side
   12,793.60x = 132,285,773.57
5. Step 5: Solve for x
   x = 132,285,773.57/12,793.60
6. Step 6: Final answer
   x = 10,340.00