Finding the Fourth Proportional to 3,766.05, 5,185.55 and 3,345.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.05 : 5,185.55 = 3,345.68 : x
2. Step 2: Convert to fraction form
   3,766.05/5,185.55 = 3,345.68/x
3. Step 3: Cross multiply
   3,766.05x = 5,185.55 × 3,345.68
4. Step 4: Simplify right side
   3,766.05x = 17,349,148.27
5. Step 5: Solve for x
   x = 17,349,148.27/3,766.05
6. Step 6: Final answer
   x = 4,606.72