Finding the Fourth Proportional to 2,375.05, 3,561.96 and 708.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.05 : 3,561.96 = 708.78 : x
2. Step 2: Convert to fraction form
   2,375.05/3,561.96 = 708.78/x
3. Step 3: Cross multiply
   2,375.05x = 3,561.96 × 708.78
4. Step 4: Simplify right side
   2,375.05x = 2,524,656.71
5. Step 5: Solve for x
   x = 2,524,656.71/2,375.05
6. Step 6: Final answer
   x = 1,062.99