Finding the Fourth Proportional to 2,043.91, 2,820.60 and 1,159.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.91 : 2,820.60 = 1,159.54 : x
2. Step 2: Convert to fraction form
   2,043.91/2,820.60 = 1,159.54/x
3. Step 3: Cross multiply
   2,043.91x = 2,820.60 × 1,159.54
4. Step 4: Simplify right side
   2,043.91x = 3,270,598.52
5. Step 5: Solve for x
   x = 3,270,598.52/2,043.91
6. Step 6: Final answer
   x = 1,600.17