Finding the Fourth Proportional to 2,077.10, 2,870.04 and 1,660.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.10 : 2,870.04 = 1,660.88 : x
2. Step 2: Convert to fraction form
   2,077.10/2,870.04 = 1,660.88/x
3. Step 3: Cross multiply
   2,077.10x = 2,870.04 × 1,660.88
4. Step 4: Simplify right side
   2,077.10x = 4,766,792.04
5. Step 5: Solve for x
   x = 4,766,792.04/2,077.10
6. Step 6: Final answer
   x = 2,294.93