Finding the Fourth Proportional to 3,065.42, 4,231.72 and 1,806.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.42 : 4,231.72 = 1,806.08 : x
2. Step 2: Convert to fraction form
   3,065.42/4,231.72 = 1,806.08/x
3. Step 3: Cross multiply
   3,065.42x = 4,231.72 × 1,806.08
4. Step 4: Simplify right side
   3,065.42x = 7,642,824.86
5. Step 5: Solve for x
   x = 7,642,824.86/3,065.42
6. Step 6: Final answer
   x = 2,493.24