Finding the Fourth Proportional to 1,870.45, 2,581.21 and 1,084.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.45 : 2,581.21 = 1,084.94 : x
2. Step 2: Convert to fraction form
   1,870.45/2,581.21 = 1,084.94/x
3. Step 3: Cross multiply
   1,870.45x = 2,581.21 × 1,084.94
4. Step 4: Simplify right side
   1,870.45x = 2,800,455.27
5. Step 5: Solve for x
   x = 2,800,455.27/1,870.45
6. Step 6: Final answer
   x = 1,497.21