Finding the Fourth Proportional to 22,507.88, 31,060.88 and 12,571.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,507.88 : 31,060.88 = 12,571.88 : x
2. Step 2: Convert to fraction form
   22,507.88/31,060.88 = 12,571.88/x
3. Step 3: Cross multiply
   22,507.88x = 31,060.88 × 12,571.88
4. Step 4: Simplify right side
   22,507.88x = 390,493,437.89
5. Step 5: Solve for x
   x = 390,493,437.89/22,507.88
6. Step 6: Final answer
   x = 17,349.19