Finding the Fourth Proportional to 1,088.29, 1,501.82 and 616.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.29 : 1,501.82 = 616.16 : x
2. Step 2: Convert to fraction form
   1,088.29/1,501.82 = 616.16/x
3. Step 3: Cross multiply
   1,088.29x = 1,501.82 × 616.16
4. Step 4: Simplify right side
   1,088.29x = 925,358.33
5. Step 5: Solve for x
   x = 925,358.33/1,088.29
6. Step 6: Final answer
   x = 850.29