Finding the Fourth Proportional to 22,662.63, 31,273.77 and 12,590.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,662.63 : 31,273.77 = 12,590.82 : x
2. Step 2: Convert to fraction form
   22,662.63/31,273.77 = 12,590.82/x
3. Step 3: Cross multiply
   22,662.63x = 31,273.77 × 12,590.82
4. Step 4: Simplify right side
   22,662.63x = 393,762,408.79
5. Step 5: Solve for x
   x = 393,762,408.79/22,662.63
6. Step 6: Final answer
   x = 17,374.97