Finding the Fourth Proportional to 3,017.78, 4,525.17 and 1,262.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,017.78 : 4,525.17 = 1,262.25 : x
2. Step 2: Convert to fraction form
   3,017.78/4,525.17 = 1,262.25/x
3. Step 3: Cross multiply
   3,017.78x = 4,525.17 × 1,262.25
4. Step 4: Simplify right side
   3,017.78x = 5,711,895.83
5. Step 5: Solve for x
   x = 5,711,895.83/3,017.78
6. Step 6: Final answer
   x = 1,892.75