Finding the Fourth Proportional to 33,178.86, 49,754.32 and 13,443.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,178.86 : 49,754.32 = 13,443.62 : x
2. Step 2: Convert to fraction form
   33,178.86/49,754.32 = 13,443.62/x
3. Step 3: Cross multiply
   33,178.86x = 49,754.32 × 13,443.62
4. Step 4: Simplify right side
   33,178.86x = 668,877,889.06
5. Step 5: Solve for x
   x = 668,877,889.06/33,178.86
6. Step 6: Final answer
   x = 20,159.76