Finding the Fourth Proportional to 1,015.37, 1,401.17 and 567.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015.37 : 1,401.17 = 567.25 : x
2. Step 2: Convert to fraction form
   1,015.37/1,401.17 = 567.25/x
3. Step 3: Cross multiply
   1,015.37x = 1,401.17 × 567.25
4. Step 4: Simplify right side
   1,015.37x = 794,811.60
5. Step 5: Solve for x
   x = 794,811.60/1,015.37
6. Step 6: Final answer
   x = 782.78