Finding the Fourth Proportional to 33,561.10, 50,347.72 and 13,828.68

Step by Step Solution

1. Step 1: Write the proportion equation
   33,561.10 : 50,347.72 = 13,828.68 : x
2. Step 2: Convert to fraction form
   33,561.10/50,347.72 = 13,828.68/x
3. Step 3: Cross multiply
   33,561.10x = 50,347.72 × 13,828.68
4. Step 4: Simplify right side
   33,561.10x = 696,242,508.61
5. Step 5: Solve for x
   x = 696,242,508.61/33,561.10
6. Step 6: Final answer
   x = 20,745.52