Finding the Fourth Proportional to 2,221.92, 3,066.64 and 1,325.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.92 : 3,066.64 = 1,325.71 : x
2. Step 2: Convert to fraction form
   2,221.92/3,066.64 = 1,325.71/x
3. Step 3: Cross multiply
   2,221.92x = 3,066.64 × 1,325.71
4. Step 4: Simplify right side
   2,221.92x = 4,065,475.31
5. Step 5: Solve for x
   x = 4,065,475.31/2,221.92
6. Step 6: Final answer
   x = 1,829.71