Finding the Fourth Proportional to 1,032.59, 1,426.25 and 771.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,032.59 : 1,426.25 = 771.77 : x
2. Step 2: Convert to fraction form
   1,032.59/1,426.25 = 771.77/x
3. Step 3: Cross multiply
   1,032.59x = 1,426.25 × 771.77
4. Step 4: Simplify right side
   1,032.59x = 1,100,733.10
5. Step 5: Solve for x
   x = 1,100,733.10/1,032.59
6. Step 6: Final answer
   x = 1,065.99