Finding the Fourth Proportional to 2,448.10, 3,672.72 and 716.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.10 : 3,672.72 = 716.86 : x
2. Step 2: Convert to fraction form
   2,448.10/3,672.72 = 716.86/x
3. Step 3: Cross multiply
   2,448.10x = 3,672.72 × 716.86
4. Step 4: Simplify right side
   2,448.10x = 2,632,826.06
5. Step 5: Solve for x
   x = 2,632,826.06/2,448.10
6. Step 6: Final answer
   x = 1,075.46