Finding the Fourth Proportional to 1,348.25, 1,860.54 and 758.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.25 : 1,860.54 = 758.75 : x
2. Step 2: Convert to fraction form
   1,348.25/1,860.54 = 758.75/x
3. Step 3: Cross multiply
   1,348.25x = 1,860.54 × 758.75
4. Step 4: Simplify right side
   1,348.25x = 1,411,684.73
5. Step 5: Solve for x
   x = 1,411,684.73/1,348.25
6. Step 6: Final answer
   x = 1,047.05