Finding the Fourth Proportional to 2,796.72, 4,195.62 and 1,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.72 : 4,195.62 = 1,066.56 : x
2. Step 2: Convert to fraction form
   2,796.72/4,195.62 = 1,066.56/x
3. Step 3: Cross multiply
   2,796.72x = 4,195.62 × 1,066.56
4. Step 4: Simplify right side
   2,796.72x = 4,474,880.47
5. Step 5: Solve for x
   x = 4,474,880.47/2,796.72
6. Step 6: Final answer
   x = 1,600.05