Finding the Fourth Proportional to 1,017.37, 1,403.91 and 569.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.37 : 1,403.91 = 569.17 : x
2. Step 2: Convert to fraction form
   1,017.37/1,403.91 = 569.17/x
3. Step 3: Cross multiply
   1,017.37x = 1,403.91 × 569.17
4. Step 4: Simplify right side
   1,017.37x = 799,058.71
5. Step 5: Solve for x
   x = 799,058.71/1,017.37
6. Step 6: Final answer
   x = 785.41