Finding the Fourth Proportional to 12,700.08, 17,520.24 and 8,225.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.08 : 17,520.24 = 8,225.31 : x
2. Step 2: Convert to fraction form
   12,700.08/17,520.24 = 8,225.31/x
3. Step 3: Cross multiply
   12,700.08x = 17,520.24 × 8,225.31
4. Step 4: Simplify right side
   12,700.08x = 144,109,405.27
5. Step 5: Solve for x
   x = 144,109,405.27/12,700.08
6. Step 6: Final answer
   x = 11,347.13