Finding the Fourth Proportional to 1,088.38, 1,502.00 and 616.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.38 : 1,502.00 = 616.24 : x
2. Step 2: Convert to fraction form
   1,088.38/1,502.00 = 616.24/x
3. Step 3: Cross multiply
   1,088.38x = 1,502.00 × 616.24
4. Step 4: Simplify right side
   1,088.38x = 925,589.40
5. Step 5: Solve for x
   x = 925,589.40/1,088.38
6. Step 6: Final answer
   x = 850.43