Finding the Fourth Proportional to 2,080.04, 3,117.50 and 1,310.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.04 : 3,117.50 = 1,310.76 : x
2. Step 2: Convert to fraction form
   2,080.04/3,117.50 = 1,310.76/x
3. Step 3: Cross multiply
   2,080.04x = 3,117.50 × 1,310.76
4. Step 4: Simplify right side
   2,080.04x = 4,086,294.30
5. Step 5: Solve for x
   x = 4,086,294.30/2,080.04
6. Step 6: Final answer
   x = 1,964.53