Finding the Fourth Proportional to 2,564.98, 3,847.51 and 716.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.98 : 3,847.51 = 716.05 : x
2. Step 2: Convert to fraction form
   2,564.98/3,847.51 = 716.05/x
3. Step 3: Cross multiply
   2,564.98x = 3,847.51 × 716.05
4. Step 4: Simplify right side
   2,564.98x = 2,755,009.54
5. Step 5: Solve for x
   x = 2,755,009.54/2,564.98
6. Step 6: Final answer
   x = 1,074.09