Finding the Fourth Proportional to 1,870.38, 2,581.14 and 1,031.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.38 : 2,581.14 = 1,031.04 : x
2. Step 2: Convert to fraction form
   1,870.38/2,581.14 = 1,031.04/x
3. Step 3: Cross multiply
   1,870.38x = 2,581.14 × 1,031.04
4. Step 4: Simplify right side
   1,870.38x = 2,661,258.59
5. Step 5: Solve for x
   x = 2,661,258.59/1,870.38
6. Step 6: Final answer
   x = 1,422.84