Finding the Fourth Proportional to 1,826.64, 2,519.43 and 1,799.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.64 : 2,519.43 = 1,799.31 : x
2. Step 2: Convert to fraction form
   1,826.64/2,519.43 = 1,799.31/x
3. Step 3: Cross multiply
   1,826.64x = 2,519.43 × 1,799.31
4. Step 4: Simplify right side
   1,826.64x = 4,533,235.59
5. Step 5: Solve for x
   x = 4,533,235.59/1,826.64
6. Step 6: Final answer
   x = 2,481.73