Finding the Fourth Proportional to 2,354.36, 3,531.38 and 711.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.36 : 3,531.38 = 711.05 : x
2. Step 2: Convert to fraction form
   2,354.36/3,531.38 = 711.05/x
3. Step 3: Cross multiply
   2,354.36x = 3,531.38 × 711.05
4. Step 4: Simplify right side
   2,354.36x = 2,510,966.54
5. Step 5: Solve for x
   x = 2,510,966.54/2,354.36
6. Step 6: Final answer
   x = 1,066.52