Finding the Fourth Proportional to 2,662.84, 3,672.39 and 2,219.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.84 : 3,672.39 = 2,219.77 : x
2. Step 2: Convert to fraction form
   2,662.84/3,672.39 = 2,219.77/x
3. Step 3: Cross multiply
   2,662.84x = 3,672.39 × 2,219.77
4. Step 4: Simplify right side
   2,662.84x = 8,151,861.15
5. Step 5: Solve for x
   x = 8,151,861.15/2,662.84
6. Step 6: Final answer
   x = 3,061.34