Finding the Fourth Proportional to 1,870.62, 2,581.92 and 1,084.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.62 : 2,581.92 = 1,084.56 : x
2. Step 2: Convert to fraction form
   1,870.62/2,581.92 = 1,084.56/x
3. Step 3: Cross multiply
   1,870.62x = 2,581.92 × 1,084.56
4. Step 4: Simplify right side
   1,870.62x = 2,800,247.16
5. Step 5: Solve for x
   x = 2,800,247.16/1,870.62
6. Step 6: Final answer
   x = 1,496.96