Finding the Fourth Proportional to 22,575.83, 31,155.77 and 13,623.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,575.83 : 31,155.77 = 13,623.18 : x
2. Step 2: Convert to fraction form
   22,575.83/31,155.77 = 13,623.18/x
3. Step 3: Cross multiply
   22,575.83x = 31,155.77 × 13,623.18
4. Step 4: Simplify right side
   22,575.83x = 424,440,594.63
5. Step 5: Solve for x
   x = 424,440,594.63/22,575.83
6. Step 6: Final answer
   x = 18,800.67