Finding the Fourth Proportional to 1,348.94, 1,861.54 and 759.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.94 : 1,861.54 = 759.60 : x
2. Step 2: Convert to fraction form
   1,348.94/1,861.54 = 759.60/x
3. Step 3: Cross multiply
   1,348.94x = 1,861.54 × 759.60
4. Step 4: Simplify right side
   1,348.94x = 1,414,025.78
5. Step 5: Solve for x
   x = 1,414,025.78/1,348.94
6. Step 6: Final answer
   x = 1,048.25