Finding the Fourth Proportional to 1,377.30, 2,062.42 and 760.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.30 : 2,062.42 = 760.32 : x
2. Step 2: Convert to fraction form
   1,377.30/2,062.42 = 760.32/x
3. Step 3: Cross multiply
   1,377.30x = 2,062.42 × 760.32
4. Step 4: Simplify right side
   1,377.30x = 1,568,099.17
5. Step 5: Solve for x
   x = 1,568,099.17/1,377.30
6. Step 6: Final answer
   x = 1,138.53