Finding the Fourth Proportional to 3,871.86, 5,346.69 and 3,452.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.86 : 5,346.69 = 3,452.22 : x
2. Step 2: Convert to fraction form
   3,871.86/5,346.69 = 3,452.22/x
3. Step 3: Cross multiply
   3,871.86x = 5,346.69 × 3,452.22
4. Step 4: Simplify right side
   3,871.86x = 18,457,950.15
5. Step 5: Solve for x
   x = 18,457,950.15/3,871.86
6. Step 6: Final answer
   x = 4,767.20