Finding the Fourth Proportional to 3,655.23, 5,043.38 and 2,162.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655.23 : 5,043.38 = 2,162.67 : x
2. Step 2: Convert to fraction form
   3,655.23/5,043.38 = 2,162.67/x
3. Step 3: Cross multiply
   3,655.23x = 5,043.38 × 2,162.67
4. Step 4: Simplify right side
   3,655.23x = 10,907,155.81
5. Step 5: Solve for x
   x = 10,907,155.81/3,655.23
6. Step 6: Final answer
   x = 2,983.99