Finding the Fourth Proportional to 22,502.39, 31,052.36 and 12,941.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,502.39 : 31,052.36 = 12,941.55 : x
2. Step 2: Convert to fraction form
   22,502.39/31,052.36 = 12,941.55/x
3. Step 3: Cross multiply
   22,502.39x = 31,052.36 × 12,941.55
4. Step 4: Simplify right side
   22,502.39x = 401,865,701.91
5. Step 5: Solve for x
   x = 401,865,701.91/22,502.39
6. Step 6: Final answer
   x = 17,858.80