Finding the Fourth Proportional to 22,573.34, 31,140.86 and 14,618.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,573.34 : 31,140.86 = 14,618.12 : x
2. Step 2: Convert to fraction form
   22,573.34/31,140.86 = 14,618.12/x
3. Step 3: Cross multiply
   22,573.34x = 31,140.86 × 14,618.12
4. Step 4: Simplify right side
   22,573.34x = 455,220,942.78
5. Step 5: Solve for x
   x = 455,220,942.78/22,573.34
6. Step 6: Final answer
   x = 20,166.31