Finding the Fourth Proportional to 1,648.84, 2,271.50 and 1,150.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.84 : 2,271.50 = 1,150.58 : x
2. Step 2: Convert to fraction form
   1,648.84/2,271.50 = 1,150.58/x
3. Step 3: Cross multiply
   1,648.84x = 2,271.50 × 1,150.58
4. Step 4: Simplify right side
   1,648.84x = 2,613,542.47
5. Step 5: Solve for x
   x = 2,613,542.47/1,648.84
6. Step 6: Final answer
   x = 1,585.08