Finding the Fourth Proportional to 2,044.58, 2,820.89 and 1,160.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.58 : 2,820.89 = 1,160.15 : x
2. Step 2: Convert to fraction form
   2,044.58/2,820.89 = 1,160.15/x
3. Step 3: Cross multiply
   2,044.58x = 2,820.89 × 1,160.15
4. Step 4: Simplify right side
   2,044.58x = 3,272,644.33
5. Step 5: Solve for x
   x = 3,272,644.33/2,044.58
6. Step 6: Final answer
   x = 1,600.65