Finding the Fourth Proportional to 22,868.72, 34,279.80 and 10,397.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,868.72 : 34,279.80 = 10,397.60 : x
2. Step 2: Convert to fraction form
   22,868.72/34,279.80 = 10,397.60/x
3. Step 3: Cross multiply
   22,868.72x = 34,279.80 × 10,397.60
4. Step 4: Simplify right side
   22,868.72x = 356,427,648.48
5. Step 5: Solve for x
   x = 356,427,648.48/22,868.72
6. Step 6: Final answer
   x = 15,585.82