Finding the Fourth Proportional to 22,520.60, 31,066.16 and 13,562.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,520.60 : 31,066.16 = 13,562.67 : x
2. Step 2: Convert to fraction form
   22,520.60/31,066.16 = 13,562.67/x
3. Step 3: Cross multiply
   22,520.60x = 31,066.16 × 13,562.67
4. Step 4: Simplify right side
   22,520.60x = 421,340,008.43
5. Step 5: Solve for x
   x = 421,340,008.43/22,520.60
6. Step 6: Final answer
   x = 18,709.10