Finding the Fourth Proportional to 3,388.01, 4,667.36 and 2,786.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388.01 : 4,667.36 = 2,786.58 : x
2. Step 2: Convert to fraction form
   3,388.01/4,667.36 = 2,786.58/x
3. Step 3: Cross multiply
   3,388.01x = 4,667.36 × 2,786.58
4. Step 4: Simplify right side
   3,388.01x = 13,005,958.10
5. Step 5: Solve for x
   x = 13,005,958.10/3,388.01
6. Step 6: Final answer
   x = 3,838.82