Finding the Fourth Proportional to 2,706.50, 4,059.91 and 758.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.50 : 4,059.91 = 758.86 : x
2. Step 2: Convert to fraction form
   2,706.50/4,059.91 = 758.86/x
3. Step 3: Cross multiply
   2,706.50x = 4,059.91 × 758.86
4. Step 4: Simplify right side
   2,706.50x = 3,080,894.10
5. Step 5: Solve for x
   x = 3,080,894.10/2,706.50
6. Step 6: Final answer
   x = 1,138.33