Finding the Fourth Proportional to 22,516.60, 31,069.56 and 13,562.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,516.60 : 31,069.56 = 13,562.32 : x
2. Step 2: Convert to fraction form
   22,516.60/31,069.56 = 13,562.32/x
3. Step 3: Cross multiply
   22,516.60x = 31,069.56 × 13,562.32
4. Step 4: Simplify right side
   22,516.60x = 421,375,314.98
5. Step 5: Solve for x
   x = 421,375,314.98/22,516.60
6. Step 6: Final answer
   x = 18,713.99