Finding the Fourth Proportional to 12,485.80, 17,225.04 and 8,008.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,485.80 : 17,225.04 = 8,008.12 : x
2. Step 2: Convert to fraction form
   12,485.80/17,225.04 = 8,008.12/x
3. Step 3: Cross multiply
   12,485.80x = 17,225.04 × 8,008.12
4. Step 4: Simplify right side
   12,485.80x = 137,940,187.32
5. Step 5: Solve for x
   x = 137,940,187.32/12,485.80
6. Step 6: Final answer
   x = 11,047.77