Finding the Fourth Proportional to 1,348.86, 1,861.43 and 759.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.86 : 1,861.43 = 759.39 : x
2. Step 2: Convert to fraction form
   1,348.86/1,861.43 = 759.39/x
3. Step 3: Cross multiply
   1,348.86x = 1,861.43 × 759.39
4. Step 4: Simplify right side
   1,348.86x = 1,413,547.53
5. Step 5: Solve for x
   x = 1,413,547.53/1,348.86
6. Step 6: Final answer
   x = 1,047.96