Finding the Fourth Proportional to 13,941.95, 20,896.72 and 5,171.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,941.95 : 20,896.72 = 5,171.27 : x
2. Step 2: Convert to fraction form
   13,941.95/20,896.72 = 5,171.27/x
3. Step 3: Cross multiply
   13,941.95x = 20,896.72 × 5,171.27
4. Step 4: Simplify right side
   13,941.95x = 108,062,463.82
5. Step 5: Solve for x
   x = 108,062,463.82/13,941.95
6. Step 6: Final answer
   x = 7,750.89