Finding the Fourth Proportional to 2,651.68, 3,974.78 and 1,191.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,651.68 : 3,974.78 = 1,191.25 : x
2. Step 2: Convert to fraction form
   2,651.68/3,974.78 = 1,191.25/x
3. Step 3: Cross multiply
   2,651.68x = 3,974.78 × 1,191.25
4. Step 4: Simplify right side
   2,651.68x = 4,734,949.72
5. Step 5: Solve for x
   x = 4,734,949.72/2,651.68
6. Step 6: Final answer
   x = 1,785.64