Finding the Fourth Proportional to 33,300.29, 49,950.25 and 13,578.77

Step by Step Solution

1. Step 1: Write the proportion equation
   33,300.29 : 49,950.25 = 13,578.77 : x
2. Step 2: Convert to fraction form
   33,300.29/49,950.25 = 13,578.77/x
3. Step 3: Cross multiply
   33,300.29x = 49,950.25 × 13,578.77
4. Step 4: Simplify right side
   33,300.29x = 678,262,956.19
5. Step 5: Solve for x
   x = 678,262,956.19/33,300.29
6. Step 6: Final answer
   x = 20,368.08