Finding the Fourth Proportional to 22,650.73, 31,261.71 and 13,219.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,650.73 : 31,261.71 = 13,219.27 : x
2. Step 2: Convert to fraction form
   22,650.73/31,261.71 = 13,219.27/x
3. Step 3: Cross multiply
   22,650.73x = 31,261.71 × 13,219.27
4. Step 4: Simplify right side
   22,650.73x = 413,256,985.15
5. Step 5: Solve for x
   x = 413,256,985.15/22,650.73
6. Step 6: Final answer
   x = 18,244.75