Finding the Fourth Proportional to 2,059.80, 3,089.35 and 760.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.80 : 3,089.35 = 760.96 : x
2. Step 2: Convert to fraction form
   2,059.80/3,089.35 = 760.96/x
3. Step 3: Cross multiply
   2,059.80x = 3,089.35 × 760.96
4. Step 4: Simplify right side
   2,059.80x = 2,350,871.78
5. Step 5: Solve for x
   x = 2,350,871.78/2,059.80
6. Step 6: Final answer
   x = 1,141.31