Finding the Fourth Proportional to 43,477.92, 65,227.47 and 13,491.42

Step by Step Solution

1. Step 1: Write the proportion equation
   43,477.92 : 65,227.47 = 13,491.42 : x
2. Step 2: Convert to fraction form
   43,477.92/65,227.47 = 13,491.42/x
3. Step 3: Cross multiply
   43,477.92x = 65,227.47 × 13,491.42
4. Step 4: Simplify right side
   43,477.92x = 880,011,193.31
5. Step 5: Solve for x
   x = 880,011,193.31/43,477.92
6. Step 6: Final answer
   x = 20,240.42