Finding the Fourth Proportional to 22,592.41, 31,174.57 and 12,520.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,592.41 : 31,174.57 = 12,520.37 : x
2. Step 2: Convert to fraction form
   22,592.41/31,174.57 = 12,520.37/x
3. Step 3: Cross multiply
   22,592.41x = 31,174.57 × 12,520.37
4. Step 4: Simplify right side
   22,592.41x = 390,317,150.99
5. Step 5: Solve for x
   x = 390,317,150.99/22,592.41
6. Step 6: Final answer
   x = 17,276.47