Finding the Fourth Proportional to 2,056.50, 3,086.36 and 758.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.50 : 3,086.36 = 758.34 : x
2. Step 2: Convert to fraction form
   2,056.50/3,086.36 = 758.34/x
3. Step 3: Cross multiply
   2,056.50x = 3,086.36 × 758.34
4. Step 4: Simplify right side
   2,056.50x = 2,340,510.24
5. Step 5: Solve for x
   x = 2,340,510.24/2,056.50
6. Step 6: Final answer
   x = 1,138.10