Finding the Fourth Proportional to 1,350.05, 1,863.07 and 760.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.05 : 1,863.07 = 760.57 : x
2. Step 2: Convert to fraction form
   1,350.05/1,863.07 = 760.57/x
3. Step 3: Cross multiply
   1,350.05x = 1,863.07 × 760.57
4. Step 4: Simplify right side
   1,350.05x = 1,416,988.59
5. Step 5: Solve for x
   x = 1,416,988.59/1,350.05
6. Step 6: Final answer
   x = 1,049.59