Finding the Fourth Proportional to 2,043.59, 2,820.15 and 1,159.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.59 : 2,820.15 = 1,159.47 : x
2. Step 2: Convert to fraction form
   2,043.59/2,820.15 = 1,159.47/x
3. Step 3: Cross multiply
   2,043.59x = 2,820.15 × 1,159.47
4. Step 4: Simplify right side
   2,043.59x = 3,269,879.32
5. Step 5: Solve for x
   x = 3,269,879.32/2,043.59
6. Step 6: Final answer
   x = 1,600.07