Finding the Fourth Proportional to 1,026.27, 1,540.01 and 616.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,026.27 : 1,540.01 = 616.21 : x
2. Step 2: Convert to fraction form
   1,026.27/1,540.01 = 616.21/x
3. Step 3: Cross multiply
   1,026.27x = 1,540.01 × 616.21
4. Step 4: Simplify right side
   1,026.27x = 948,967.25
5. Step 5: Solve for x
   x = 948,967.25/1,026.27
6. Step 6: Final answer
   x = 924.68