Finding the Fourth Proportional to 3,967.55, 5,462.72 and 3,368.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.55 : 5,462.72 = 3,368.86 : x
2. Step 2: Convert to fraction form
   3,967.55/5,462.72 = 3,368.86/x
3. Step 3: Cross multiply
   3,967.55x = 5,462.72 × 3,368.86
4. Step 4: Simplify right side
   3,967.55x = 18,403,121.03
5. Step 5: Solve for x
   x = 18,403,121.03/3,967.55
6. Step 6: Final answer
   x = 4,638.41