Finding the Fourth Proportional to 22,573.28, 31,166.52 and 14,078.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,573.28 : 31,166.52 = 14,078.72 : x
2. Step 2: Convert to fraction form
   22,573.28/31,166.52 = 14,078.72/x
3. Step 3: Cross multiply
   22,573.28x = 31,166.52 × 14,078.72
4. Step 4: Simplify right side
   22,573.28x = 438,784,708.45
5. Step 5: Solve for x
   x = 438,784,708.45/22,573.28
6. Step 6: Final answer
   x = 19,438.23