Finding the Fourth Proportional to 2,043.54, 2,820.59 and 1,159.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.54 : 2,820.59 = 1,159.88 : x
2. Step 2: Convert to fraction form
   2,043.54/2,820.59 = 1,159.88/x
3. Step 3: Cross multiply
   2,043.54x = 2,820.59 × 1,159.88
4. Step 4: Simplify right side
   2,043.54x = 3,271,530.38
5. Step 5: Solve for x
   x = 3,271,530.38/2,043.54
6. Step 6: Final answer
   x = 1,600.91