Finding the Fourth Proportional to 1,887.80, 2,582.72 and 1,879.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.80 : 2,582.72 = 1,879.59 : x
2. Step 2: Convert to fraction form
   1,887.80/2,582.72 = 1,879.59/x
3. Step 3: Cross multiply
   1,887.80x = 2,582.72 × 1,879.59
4. Step 4: Simplify right side
   1,887.80x = 4,854,445.29
5. Step 5: Solve for x
   x = 4,854,445.29/1,887.80
6. Step 6: Final answer
   x = 2,571.49