Finding the Fourth Proportional to 2,096.15, 3,144.72 and 615.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.15 : 3,144.72 = 615.32 : x
2. Step 2: Convert to fraction form
   2,096.15/3,144.72 = 615.32/x
3. Step 3: Cross multiply
   2,096.15x = 3,144.72 × 615.32
4. Step 4: Simplify right side
   2,096.15x = 1,934,990.31
5. Step 5: Solve for x
   x = 1,934,990.31/2,096.15
6. Step 6: Final answer
   x = 923.12