Finding the Fourth Proportional to 2,585.59, 3,571.32 and 1,876.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.59 : 3,571.32 = 1,876.30 : x
2. Step 2: Convert to fraction form
   2,585.59/3,571.32 = 1,876.30/x
3. Step 3: Cross multiply
   2,585.59x = 3,571.32 × 1,876.30
4. Step 4: Simplify right side
   2,585.59x = 6,700,867.72
5. Step 5: Solve for x
   x = 6,700,867.72/2,585.59
6. Step 6: Final answer
   x = 2,591.62