Finding the Fourth Proportional to 3,114.16, 4,298.72 and 2,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,114.16 : 4,298.72 = 2,066.56 : x
2. Step 2: Convert to fraction form
   3,114.16/4,298.72 = 2,066.56/x
3. Step 3: Cross multiply
   3,114.16x = 4,298.72 × 2,066.56
4. Step 4: Simplify right side
   3,114.16x = 8,883,562.80
5. Step 5: Solve for x
   x = 8,883,562.80/3,114.16
6. Step 6: Final answer
   x = 2,852.64