Finding the Fourth Proportional to 6,667.37, 9,994.41 and 3,151.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.37 : 9,994.41 = 3,151.16 : x
2. Step 2: Convert to fraction form
   6,667.37/9,994.41 = 3,151.16/x
3. Step 3: Cross multiply
   6,667.37x = 9,994.41 × 3,151.16
4. Step 4: Simplify right side
   6,667.37x = 31,493,935.04
5. Step 5: Solve for x
   x = 31,493,935.04/6,667.37
6. Step 6: Final answer
   x = 4,723.60