Finding the Fourth Proportional to 2,221.71, 3,066.03 and 1,227.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.71 : 3,066.03 = 1,227.02 : x
2. Step 2: Convert to fraction form
   2,221.71/3,066.03 = 1,227.02/x
3. Step 3: Cross multiply
   2,221.71x = 3,066.03 × 1,227.02
4. Step 4: Simplify right side
   2,221.71x = 3,762,080.13
5. Step 5: Solve for x
   x = 3,762,080.13/2,221.71
6. Step 6: Final answer
   x = 1,693.33