Finding the Fourth Proportional to 1,874.03, 2,585.72 and 1,087.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.03 : 2,585.72 = 1,087.61 : x
2. Step 2: Convert to fraction form
   1,874.03/2,585.72 = 1,087.61/x
3. Step 3: Cross multiply
   1,874.03x = 2,585.72 × 1,087.61
4. Step 4: Simplify right side
   1,874.03x = 2,812,244.72
5. Step 5: Solve for x
   x = 2,812,244.72/1,874.03
6. Step 6: Final answer
   x = 1,500.64