Finding the Fourth Proportional to 25,938.10, 35,793.12 and 15,328.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,938.10 : 35,793.12 = 15,328.72 : x
2. Step 2: Convert to fraction form
   25,938.10/35,793.12 = 15,328.72/x
3. Step 3: Cross multiply
   25,938.10x = 35,793.12 × 15,328.72
4. Step 4: Simplify right side
   25,938.10x = 548,662,714.41
5. Step 5: Solve for x
   x = 548,662,714.41/25,938.10
6. Step 6: Final answer
   x = 21,152.77