Finding the Fourth Proportional to 13,828.78, 20,744.93 and 5,062.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,828.78 : 20,744.93 = 5,062.42 : x
2. Step 2: Convert to fraction form
   13,828.78/20,744.93 = 5,062.42/x
3. Step 3: Cross multiply
   13,828.78x = 20,744.93 × 5,062.42
4. Step 4: Simplify right side
   13,828.78x = 105,019,548.53
5. Step 5: Solve for x
   x = 105,019,548.53/13,828.78
6. Step 6: Final answer
   x = 7,594.27