Finding the Fourth Proportional to 2,059.30, 3,089.13 and 760.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.30 : 3,089.13 = 760.78 : x
2. Step 2: Convert to fraction form
   2,059.30/3,089.13 = 760.78/x
3. Step 3: Cross multiply
   2,059.30x = 3,089.13 × 760.78
4. Step 4: Simplify right side
   2,059.30x = 2,350,148.32
5. Step 5: Solve for x
   x = 2,350,148.32/2,059.30
6. Step 6: Final answer
   x = 1,141.24