Finding the Fourth Proportional to 12,529.98, 17,291.39 and 7,225.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,529.98 : 17,291.39 = 7,225.16 : x
2. Step 2: Convert to fraction form
   12,529.98/17,291.39 = 7,225.16/x
3. Step 3: Cross multiply
   12,529.98x = 17,291.39 × 7,225.16
4. Step 4: Simplify right side
   12,529.98x = 124,932,936.79
5. Step 5: Solve for x
   x = 124,932,936.79/12,529.98
6. Step 6: Final answer
   x = 9,970.72