Finding the Fourth Proportional to 1,033.48, 1,426.50 and 771.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,033.48 : 1,426.50 = 771.88 : x
2. Step 2: Convert to fraction form
   1,033.48/1,426.50 = 771.88/x
3. Step 3: Cross multiply
   1,033.48x = 1,426.50 × 771.88
4. Step 4: Simplify right side
   1,033.48x = 1,101,086.82
5. Step 5: Solve for x
   x = 1,101,086.82/1,033.48
6. Step 6: Final answer
   x = 1,065.42