Finding the Fourth Proportional to 3,719.22, 5,621.05 and 3,654.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.22 : 5,621.05 = 3,654.67 : x
2. Step 2: Convert to fraction form
   3,719.22/5,621.05 = 3,654.67/x
3. Step 3: Cross multiply
   3,719.22x = 5,621.05 × 3,654.67
4. Step 4: Simplify right side
   3,719.22x = 20,543,063.30
5. Step 5: Solve for x
   x = 20,543,063.30/3,719.22
6. Step 6: Final answer
   x = 5,523.49