Finding the Fourth Proportional to 33,411.12, 50,121 and 10,039.92

Step by Step Solution

1. Step 1: Write the proportion equation
   33,411.12 : 50,121 = 10,039.92 : x
2. Step 2: Convert to fraction form
   33,411.12/50,121 = 10,039.92/x
3. Step 3: Cross multiply
   33,411.12x = 50,121 × 10,039.92
4. Step 4: Simplify right side
   33,411.12x = 503,210,830.32
5. Step 5: Solve for x
   x = 503,210,830.32/33,411.12
6. Step 6: Final answer
   x = 15,061.18