Finding the Fourth Proportional to 3,967.29, 5,468.50 and 3,126.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.29 : 5,468.50 = 3,126.60 : x
2. Step 2: Convert to fraction form
   3,967.29/5,468.50 = 3,126.60/x
3. Step 3: Cross multiply
   3,967.29x = 5,468.50 × 3,126.60
4. Step 4: Simplify right side
   3,967.29x = 17,097,812.10
5. Step 5: Solve for x
   x = 17,097,812.10/3,967.29
6. Step 6: Final answer
   x = 4,309.70