Finding the Fourth Proportional to 2,066.72, 2,854.41 and 1,402.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.72 : 2,854.41 = 1,402.42 : x
2. Step 2: Convert to fraction form
   2,066.72/2,854.41 = 1,402.42/x
3. Step 3: Cross multiply
   2,066.72x = 2,854.41 × 1,402.42
4. Step 4: Simplify right side
   2,066.72x = 4,003,081.67
5. Step 5: Solve for x
   x = 4,003,081.67/2,066.72
6. Step 6: Final answer
   x = 1,936.93