Finding the Fourth Proportional to 2,117.68, 3,176.16 and 963.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.68 : 3,176.16 = 963.16 : x
2. Step 2: Convert to fraction form
   2,117.68/3,176.16 = 963.16/x
3. Step 3: Cross multiply
   2,117.68x = 3,176.16 × 963.16
4. Step 4: Simplify right side
   2,117.68x = 3,059,150.27
5. Step 5: Solve for x
   x = 3,059,150.27/2,117.68
6. Step 6: Final answer
   x = 1,444.58