Finding the Fourth Proportional to 1,266.24, 1,900.17 and 616.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.24 : 1,900.17 = 616.62 : x
2. Step 2: Convert to fraction form
   1,266.24/1,900.17 = 616.62/x
3. Step 3: Cross multiply
   1,266.24x = 1,900.17 × 616.62
4. Step 4: Simplify right side
   1,266.24x = 1,171,682.83
5. Step 5: Solve for x
   x = 1,171,682.83/1,266.24
6. Step 6: Final answer
   x = 925.32