Finding the Fourth Proportional to 2,055.65, 3,082.05 and 1,315.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.65 : 3,082.05 = 1,315.71 : x
2. Step 2: Convert to fraction form
   2,055.65/3,082.05 = 1,315.71/x
3. Step 3: Cross multiply
   2,055.65x = 3,082.05 × 1,315.71
4. Step 4: Simplify right side
   2,055.65x = 4,055,084.01
5. Step 5: Solve for x
   x = 4,055,084.01/2,055.65
6. Step 6: Final answer
   x = 1,972.66