Finding the Fourth Proportional to 1,870.98, 2,581.34 and 1,084.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.98 : 2,581.34 = 1,084.74 : x
2. Step 2: Convert to fraction form
   1,870.98/2,581.34 = 1,084.74/x
3. Step 3: Cross multiply
   1,870.98x = 2,581.34 × 1,084.74
4. Step 4: Simplify right side
   1,870.98x = 2,800,082.75
5. Step 5: Solve for x
   x = 2,800,082.75/1,870.98
6. Step 6: Final answer
   x = 1,496.59