Finding the Fourth Proportional to 2,096.86, 3,145.76 and 616.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,096.86 : 3,145.76 = 616.12 : x
2. Step 2: Convert to fraction form
   2,096.86/3,145.76 = 616.12/x
3. Step 3: Cross multiply
   2,096.86x = 3,145.76 × 616.12
4. Step 4: Simplify right side
   2,096.86x = 1,938,165.65
5. Step 5: Solve for x
   x = 1,938,165.65/2,096.86
6. Step 6: Final answer
   x = 924.32