Finding the Fourth Proportional to 2,617.16, 3,615.54 and 2,061.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.16 : 3,615.54 = 2,061.32 : x
2. Step 2: Convert to fraction form
   2,617.16/3,615.54 = 2,061.32/x
3. Step 3: Cross multiply
   2,617.16x = 3,615.54 × 2,061.32
4. Step 4: Simplify right side
   2,617.16x = 7,452,784.91
5. Step 5: Solve for x
   x = 7,452,784.91/2,617.16
6. Step 6: Final answer
   x = 2,847.66