Finding the Fourth Proportional to 2,043.25, 2,819.64 and 1,159.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.25 : 2,819.64 = 1,159.15 : x
2. Step 2: Convert to fraction form
   2,043.25/2,819.64 = 1,159.15/x
3. Step 3: Cross multiply
   2,043.25x = 2,819.64 × 1,159.15
4. Step 4: Simplify right side
   2,043.25x = 3,268,385.71
5. Step 5: Solve for x
   x = 3,268,385.71/2,043.25
6. Step 6: Final answer
   x = 1,599.60