Finding the Fourth Proportional to 1,034.15, 1,547.34 and 616.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.15 : 1,547.34 = 616.15 : x
2. Step 2: Convert to fraction form
   1,034.15/1,547.34 = 616.15/x
3. Step 3: Cross multiply
   1,034.15x = 1,547.34 × 616.15
4. Step 4: Simplify right side
   1,034.15x = 953,393.54
5. Step 5: Solve for x
   x = 953,393.54/1,034.15
6. Step 6: Final answer
   x = 921.91