Finding the Fourth Proportional to 1,049.24, 1,572.42 and 616.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.24 : 1,572.42 = 616.52 : x
2. Step 2: Convert to fraction form
   1,049.24/1,572.42 = 616.52/x
3. Step 3: Cross multiply
   1,049.24x = 1,572.42 × 616.52
4. Step 4: Simplify right side
   1,049.24x = 969,428.38
5. Step 5: Solve for x
   x = 969,428.38/1,049.24
6. Step 6: Final answer
   x = 923.93