Finding the Fourth Proportional to 22,662.04, 31,273.41 and 12,590.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.04 : 31,273.41 = 12,590.50 : x
2. Step 2: Convert to fraction form
   22,662.04/31,273.41 = 12,590.50/x
3. Step 3: Cross multiply
   22,662.04x = 31,273.41 × 12,590.50
4. Step 4: Simplify right side
   22,662.04x = 393,747,868.61
5. Step 5: Solve for x
   x = 393,747,868.61/22,662.04
6. Step 6: Final answer
   x = 17,374.78