Finding the Fourth Proportional to 2,179.08, 3,268.27 and 1,811.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.08 : 3,268.27 = 1,811.25 : x
2. Step 2: Convert to fraction form
   2,179.08/3,268.27 = 1,811.25/x
3. Step 3: Cross multiply
   2,179.08x = 3,268.27 × 1,811.25
4. Step 4: Simplify right side
   2,179.08x = 5,919,642.22
5. Step 5: Solve for x
   x = 5,919,642.22/2,179.08
6. Step 6: Final answer
   x = 2,716.58