Finding the Fourth Proportional to 22,665.43, 31,269.34 and 13,103.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.43 : 31,269.34 = 13,103.56 : x
2. Step 2: Convert to fraction form
   22,665.43/31,269.34 = 13,103.56/x
3. Step 3: Cross multiply
   22,665.43x = 31,269.34 × 13,103.56
4. Step 4: Simplify right side
   22,665.43x = 409,739,728.32
5. Step 5: Solve for x
   x = 409,739,728.32/22,665.43
6. Step 6: Final answer
   x = 18,077.74