Finding the Fourth Proportional to 3,393.50, 4,682.61 and 2,066.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393.50 : 4,682.61 = 2,066.72 : x
2. Step 2: Convert to fraction form
   3,393.50/4,682.61 = 2,066.72/x
3. Step 3: Cross multiply
   3,393.50x = 4,682.61 × 2,066.72
4. Step 4: Simplify right side
   3,393.50x = 9,677,620.33
5. Step 5: Solve for x
   x = 9,677,620.33/3,393.50
6. Step 6: Final answer
   x = 2,851.82