Finding the Fourth Proportional to 1,055.42, 1,454.55 and 700.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.42 : 1,454.55 = 700.72 : x
2. Step 2: Convert to fraction form
   1,055.42/1,454.55 = 700.72/x
3. Step 3: Cross multiply
   1,055.42x = 1,454.55 × 700.72
4. Step 4: Simplify right side
   1,055.42x = 1,019,228.64
5. Step 5: Solve for x
   x = 1,019,228.64/1,055.42
6. Step 6: Final answer
   x = 965.71