Finding the Fourth Proportional to 22,506.24, 31,061.25 and 13,558.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,506.24 : 31,061.25 = 13,558.26 : x
2. Step 2: Convert to fraction form
   22,506.24/31,061.25 = 13,558.26/x
3. Step 3: Cross multiply
   22,506.24x = 31,061.25 × 13,558.26
4. Step 4: Simplify right side
   22,506.24x = 421,136,503.43
5. Step 5: Solve for x
   x = 421,136,503.43/22,506.24
6. Step 6: Final answer
   x = 18,711.99