Finding the Fourth Proportional to 22,562.59, 31,141.38 and 13,136.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,562.59 : 31,141.38 = 13,136.62 : x
2. Step 2: Convert to fraction form
   22,562.59/31,141.38 = 13,136.62/x
3. Step 3: Cross multiply
   22,562.59x = 31,141.38 × 13,136.62
4. Step 4: Simplify right side
   22,562.59x = 409,092,475.34
5. Step 5: Solve for x
   x = 409,092,475.34/22,562.59
6. Step 6: Final answer
   x = 18,131.45