Finding the Fourth Proportional to 2,043.23, 2,819.59 and 1,159.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.23 : 2,819.59 = 1,159.21 : x
2. Step 2: Convert to fraction form
   2,043.23/2,819.59 = 1,159.21/x
3. Step 3: Cross multiply
   2,043.23x = 2,819.59 × 1,159.21
4. Step 4: Simplify right side
   2,043.23x = 3,268,486.98
5. Step 5: Solve for x
   x = 3,268,486.98/2,043.23
6. Step 6: Final answer
   x = 1,599.66