Finding the Fourth Proportional to 1,100.84, 1,650.78 and 587.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.84 : 1,650.78 = 587.24 : x
2. Step 2: Convert to fraction form
   1,100.84/1,650.78 = 587.24/x
3. Step 3: Cross multiply
   1,100.84x = 1,650.78 × 587.24
4. Step 4: Simplify right side
   1,100.84x = 969,404.05
5. Step 5: Solve for x
   x = 969,404.05/1,100.84
6. Step 6: Final answer
   x = 880.60