Finding the Fourth Proportional to 2,822.02, 4,231.94 and 1,666.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,822.02 : 4,231.94 = 1,666.42 : x
2. Step 2: Convert to fraction form
   2,822.02/4,231.94 = 1,666.42/x
3. Step 3: Cross multiply
   2,822.02x = 4,231.94 × 1,666.42
4. Step 4: Simplify right side
   2,822.02x = 7,052,189.45
5. Step 5: Solve for x
   x = 7,052,189.45/2,822.02
6. Step 6: Final answer
   x = 2,498.99