Finding the Fourth Proportional to 2,707.98, 4,061.35 and 760.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.98 : 4,061.35 = 760.38 : x
2. Step 2: Convert to fraction form
   2,707.98/4,061.35 = 760.38/x
3. Step 3: Cross multiply
   2,707.98x = 4,061.35 × 760.38
4. Step 4: Simplify right side
   2,707.98x = 3,088,169.31
5. Step 5: Solve for x
   x = 3,088,169.31/2,707.98
6. Step 6: Final answer
   x = 1,140.40