Finding the Fourth Proportional to 2,222.77, 3,067.79 and 1,693.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.77 : 3,067.79 = 1,693.40 : x
2. Step 2: Convert to fraction form
   2,222.77/3,067.79 = 1,693.40/x
3. Step 3: Cross multiply
   2,222.77x = 3,067.79 × 1,693.40
4. Step 4: Simplify right side
   2,222.77x = 5,194,995.59
5. Step 5: Solve for x
   x = 5,194,995.59/2,222.77
6. Step 6: Final answer
   x = 2,337.17