Finding the Fourth Proportional to 13,267.44, 19,898.18 and 3,908.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,267.44 : 19,898.18 = 3,908.10 : x
2. Step 2: Convert to fraction form
   13,267.44/19,898.18 = 3,908.10/x
3. Step 3: Cross multiply
   13,267.44x = 19,898.18 × 3,908.10
4. Step 4: Simplify right side
   13,267.44x = 77,764,057.72
5. Step 5: Solve for x
   x = 77,764,057.72/13,267.44
6. Step 6: Final answer
   x = 5,861.27