Finding the Fourth Proportional to 3,389.72, 4,667.42 and 2,967.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.72 : 4,667.42 = 2,967.71 : x
2. Step 2: Convert to fraction form
   3,389.72/4,667.42 = 2,967.71/x
3. Step 3: Cross multiply
   3,389.72x = 4,667.42 × 2,967.71
4. Step 4: Simplify right side
   3,389.72x = 13,851,533.09
5. Step 5: Solve for x
   x = 13,851,533.09/3,389.72
6. Step 6: Final answer
   x = 4,086.34