Finding the Fourth Proportional to 2,076.55, 3,116.65 and 1,153.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.55 : 3,116.65 = 1,153.15 : x
2. Step 2: Convert to fraction form
   2,076.55/3,116.65 = 1,153.15/x
3. Step 3: Cross multiply
   2,076.55x = 3,116.65 × 1,153.15
4. Step 4: Simplify right side
   2,076.55x = 3,593,962.06
5. Step 5: Solve for x
   x = 3,593,962.06/2,076.55
6. Step 6: Final answer
   x = 1,730.74