Finding the Fourth Proportional to 2,221.66, 3,066.15 and 1,847.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.66 : 3,066.15 = 1,847.98 : x
2. Step 2: Convert to fraction form
   2,221.66/3,066.15 = 1,847.98/x
3. Step 3: Cross multiply
   2,221.66x = 3,066.15 × 1,847.98
4. Step 4: Simplify right side
   2,221.66x = 5,666,183.88
5. Step 5: Solve for x
   x = 5,666,183.88/2,221.66
6. Step 6: Final answer
   x = 2,550.43