Finding the Fourth Proportional to 1,065.83, 1,597.12 and 517.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.83 : 1,597.12 = 517.86 : x
2. Step 2: Convert to fraction form
   1,065.83/1,597.12 = 517.86/x
3. Step 3: Cross multiply
   1,065.83x = 1,597.12 × 517.86
4. Step 4: Simplify right side
   1,065.83x = 827,083.27
5. Step 5: Solve for x
   x = 827,083.27/1,065.83
6. Step 6: Final answer
   x = 776.00