Finding the Fourth Proportional to 4,667.91, 6,441.57 and 2,678.51

Step by Step Solution

1. Step 1: Write the proportion equation
   4,667.91 : 6,441.57 = 2,678.51 : x
2. Step 2: Convert to fraction form
   4,667.91/6,441.57 = 2,678.51/x
3. Step 3: Cross multiply
   4,667.91x = 6,441.57 × 2,678.51
4. Step 4: Simplify right side
   4,667.91x = 17,253,777.45
5. Step 5: Solve for x
   x = 17,253,777.45/4,667.91
6. Step 6: Final answer
   x = 3,696.25