Finding the Fourth Proportional to 22,662.82, 31,273.04 and 12,590.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.82 : 31,273.04 = 12,590.74 : x
2. Step 2: Convert to fraction form
   22,662.82/31,273.04 = 12,590.74/x
3. Step 3: Cross multiply
   22,662.82x = 31,273.04 × 12,590.74
4. Step 4: Simplify right side
   22,662.82x = 393,750,496.33
5. Step 5: Solve for x
   x = 393,750,496.33/22,662.82
6. Step 6: Final answer
   x = 17,374.30