Finding the Fourth Proportional to 2,222.20, 3,066.58 and 1,725.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.20 : 3,066.58 = 1,725.45 : x
2. Step 2: Convert to fraction form
   2,222.20/3,066.58 = 1,725.45/x
3. Step 3: Cross multiply
   2,222.20x = 3,066.58 × 1,725.45
4. Step 4: Simplify right side
   2,222.20x = 5,291,243.22
5. Step 5: Solve for x
   x = 5,291,243.22/2,222.20
6. Step 6: Final answer
   x = 2,381.09