Finding the Fourth Proportional to 1,870.95, 2,582.04 and 1,240.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.95 : 2,582.04 = 1,240.38 : x
2. Step 2: Convert to fraction form
   1,870.95/2,582.04 = 1,240.38/x
3. Step 3: Cross multiply
   1,870.95x = 2,582.04 × 1,240.38
4. Step 4: Simplify right side
   1,870.95x = 3,202,710.78
5. Step 5: Solve for x
   x = 3,202,710.78/1,870.95
6. Step 6: Final answer
   x = 1,711.81