Finding the Fourth Proportional to 2,447.88, 3,672.42 and 716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.88 : 3,672.42 = 716.50 : x
2. Step 2: Convert to fraction form
   2,447.88/3,672.42 = 716.50/x
3. Step 3: Cross multiply
   2,447.88x = 3,672.42 × 716.50
4. Step 4: Simplify right side
   2,447.88x = 2,631,288.93
5. Step 5: Solve for x
   x = 2,631,288.93/2,447.88
6. Step 6: Final answer
   x = 1,074.93