Finding the Fourth Proportional to 22,492.74, 31,042.71 and 13,061.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,492.74 : 31,042.71 = 13,061.31 : x
2. Step 2: Convert to fraction form
   22,492.74/31,042.71 = 13,061.31/x
3. Step 3: Cross multiply
   22,492.74x = 31,042.71 × 13,061.31
4. Step 4: Simplify right side
   22,492.74x = 405,458,458.55
5. Step 5: Solve for x
   x = 405,458,458.55/22,492.74
6. Step 6: Final answer
   x = 18,026.19