Finding the Fourth Proportional to 4,667.64, 6,440.06 and 2,678.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,667.64 : 6,440.06 = 2,678.10 : x
2. Step 2: Convert to fraction form
   4,667.64/6,440.06 = 2,678.10/x
3. Step 3: Cross multiply
   4,667.64x = 6,440.06 × 2,678.10
4. Step 4: Simplify right side
   4,667.64x = 17,247,124.69
5. Step 5: Solve for x
   x = 17,247,124.69/4,667.64
6. Step 6: Final answer
   x = 3,695.04