Finding the Fourth Proportional to 1,348.88, 1,861.40 and 759.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.88 : 1,861.40 = 759.38 : x
2. Step 2: Convert to fraction form
   1,348.88/1,861.40 = 759.38/x
3. Step 3: Cross multiply
   1,348.88x = 1,861.40 × 759.38
4. Step 4: Simplify right side
   1,348.88x = 1,413,502.52
5. Step 5: Solve for x
   x = 1,413,502.52/1,348.88
6. Step 6: Final answer
   x = 1,047.91