Finding the Fourth Proportional to 3,614.78, 5,422.20 and 1,017.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,614.78 : 5,422.20 = 1,017.74 : x
2. Step 2: Convert to fraction form
   3,614.78/5,422.20 = 1,017.74/x
3. Step 3: Cross multiply
   3,614.78x = 5,422.20 × 1,017.74
4. Step 4: Simplify right side
   3,614.78x = 5,518,389.83
5. Step 5: Solve for x
   x = 5,518,389.83/3,614.78
6. Step 6: Final answer
   x = 1,526.62