Finding the Fourth Proportional to 2,025.60, 2,798.33 and 1,887.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.60 : 2,798.33 = 1,887.30 : x
2. Step 2: Convert to fraction form
   2,025.60/2,798.33 = 1,887.30/x
3. Step 3: Cross multiply
   2,025.60x = 2,798.33 × 1,887.30
4. Step 4: Simplify right side
   2,025.60x = 5,281,278.77
5. Step 5: Solve for x
   x = 5,281,278.77/2,025.60
6. Step 6: Final answer
   x = 2,607.27