Finding the Fourth Proportional to 3,766.50, 5,656.23 and 3,423.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,766.50 : 5,656.23 = 3,423.06 : x
2. Step 2: Convert to fraction form
   3,766.50/5,656.23 = 3,423.06/x
3. Step 3: Cross multiply
   3,766.50x = 5,656.23 × 3,423.06
4. Step 4: Simplify right side
   3,766.50x = 19,361,614.66
5. Step 5: Solve for x
   x = 19,361,614.66/3,766.50
6. Step 6: Final answer
   x = 5,140.48