Finding the Fourth Proportional to 12,525.88, 17,288.82 and 7,223.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,525.88 : 17,288.82 = 7,223.88 : x
2. Step 2: Convert to fraction form
   12,525.88/17,288.82 = 7,223.88/x
3. Step 3: Cross multiply
   12,525.88x = 17,288.82 × 7,223.88
4. Step 4: Simplify right side
   12,525.88x = 124,892,361.02
5. Step 5: Solve for x
   x = 124,892,361.02/12,525.88
6. Step 6: Final answer
   x = 9,970.75