Finding the Fourth Proportional to 1,055.43, 1,454.22 and 760.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.43 : 1,454.22 = 760.19 : x
2. Step 2: Convert to fraction form
   1,055.43/1,454.22 = 760.19/x
3. Step 3: Cross multiply
   1,055.43x = 1,454.22 × 760.19
4. Step 4: Simplify right side
   1,055.43x = 1,105,476.23
5. Step 5: Solve for x
   x = 1,105,476.23/1,055.43
6. Step 6: Final answer
   x = 1,047.42