Finding the Fourth Proportional to 1,350.21, 1,863.30 and 760.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.21 : 1,863.30 = 760.71 : x
2. Step 2: Convert to fraction form
   1,350.21/1,863.30 = 760.71/x
3. Step 3: Cross multiply
   1,350.21x = 1,863.30 × 760.71
4. Step 4: Simplify right side
   1,350.21x = 1,417,430.94
5. Step 5: Solve for x
   x = 1,417,430.94/1,350.21
6. Step 6: Final answer
   x = 1,049.79