Finding the Fourth Proportional to 22,925.22, 31,608.24 and 18,135.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,925.22 : 31,608.24 = 18,135.72 : x
2. Step 2: Convert to fraction form
   22,925.22/31,608.24 = 18,135.72/x
3. Step 3: Cross multiply
   22,925.22x = 31,608.24 × 18,135.72
4. Step 4: Simplify right side
   22,925.22x = 573,238,190.33
5. Step 5: Solve for x
   x = 573,238,190.33/22,925.22
6. Step 6: Final answer
   x = 25,004.70