Finding the Fourth Proportional to 13,846.72, 20,769.82 and 5,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,846.72 : 20,769.82 = 5,081.56 : x
2. Step 2: Convert to fraction form
   13,846.72/20,769.82 = 5,081.56/x
3. Step 3: Cross multiply
   13,846.72x = 20,769.82 × 5,081.56
4. Step 4: Simplify right side
   13,846.72x = 105,543,086.52
5. Step 5: Solve for x
   x = 105,543,086.52/13,846.72
6. Step 6: Final answer
   x = 7,622.24