Finding the Fourth Proportional to 1,870.94, 2,581.06 and 1,084.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.94 : 2,581.06 = 1,084.57 : x
2. Step 2: Convert to fraction form
   1,870.94/2,581.06 = 1,084.57/x
3. Step 3: Cross multiply
   1,870.94x = 2,581.06 × 1,084.57
4. Step 4: Simplify right side
   1,870.94x = 2,799,340.24
5. Step 5: Solve for x
   x = 2,799,340.24/1,870.94
6. Step 6: Final answer
   x = 1,496.22