Finding the Fourth Proportional to 22,741.43, 31,384.04 and 13,181.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,741.43 : 31,384.04 = 13,181.63 : x
2. Step 2: Convert to fraction form
   22,741.43/31,384.04 = 13,181.63/x
3. Step 3: Cross multiply
   22,741.43x = 31,384.04 × 13,181.63
4. Step 4: Simplify right side
   22,741.43x = 413,692,580.36
5. Step 5: Solve for x
   x = 413,692,580.36/22,741.43
6. Step 6: Final answer
   x = 18,191.15