Finding the Fourth Proportional to 3,891.42, 5,832.24 and 3,066.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891.42 : 5,832.24 = 3,066.42 : x
2. Step 2: Convert to fraction form
   3,891.42/5,832.24 = 3,066.42/x
3. Step 3: Cross multiply
   3,891.42x = 5,832.24 × 3,066.42
4. Step 4: Simplify right side
   3,891.42x = 17,884,097.38
5. Step 5: Solve for x
   x = 17,884,097.38/3,891.42
6. Step 6: Final answer
   x = 4,595.78