Finding the Fourth Proportional to 12,834.16, 17,711.60 and 7,245.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834.16 : 17,711.60 = 7,245.04 : x
2. Step 2: Convert to fraction form
   12,834.16/17,711.60 = 7,245.04/x
3. Step 3: Cross multiply
   12,834.16x = 17,711.60 × 7,245.04
4. Step 4: Simplify right side
   12,834.16x = 128,321,250.46
5. Step 5: Solve for x
   x = 128,321,250.46/12,834.16
6. Step 6: Final answer
   x = 9,998.41