Finding the Fourth Proportional to 1,752.05, 2,627.42 and 711.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,752.05 : 2,627.42 = 711.78 : x
2. Step 2: Convert to fraction form
   1,752.05/2,627.42 = 711.78/x
3. Step 3: Cross multiply
   1,752.05x = 2,627.42 × 711.78
4. Step 4: Simplify right side
   1,752.05x = 1,870,146.79
5. Step 5: Solve for x
   x = 1,870,146.79/1,752.05
6. Step 6: Final answer
   x = 1,067.41