Finding the Fourth Proportional to 3,924.59, 5,416.83 and 2,667.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,924.59 : 5,416.83 = 2,667.74 : x
2. Step 2: Convert to fraction form
   3,924.59/5,416.83 = 2,667.74/x
3. Step 3: Cross multiply
   3,924.59x = 5,416.83 × 2,667.74
4. Step 4: Simplify right side
   3,924.59x = 14,450,666.98
5. Step 5: Solve for x
   x = 14,450,666.98/3,924.59
6. Step 6: Final answer
   x = 3,682.09