Finding the Fourth Proportional to 2,221.10, 3,329.46 and 1,066.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.10 : 3,329.46 = 1,066.22 : x
2. Step 2: Convert to fraction form
   2,221.10/3,329.46 = 1,066.22/x
3. Step 3: Cross multiply
   2,221.10x = 3,329.46 × 1,066.22
4. Step 4: Simplify right side
   2,221.10x = 3,549,936.84
5. Step 5: Solve for x
   x = 3,549,936.84/2,221.10
6. Step 6: Final answer
   x = 1,598.28