Finding the Fourth Proportional to 33,479.71, 50,222.51 and 12,419.98

Step by Step Solution

1. Step 1: Write the proportion equation
   33,479.71 : 50,222.51 = 12,419.98 : x
2. Step 2: Convert to fraction form
   33,479.71/50,222.51 = 12,419.98/x
3. Step 3: Cross multiply
   33,479.71x = 50,222.51 × 12,419.98
4. Step 4: Simplify right side
   33,479.71x = 623,762,428.67
5. Step 5: Solve for x
   x = 623,762,428.67/33,479.71
6. Step 6: Final answer
   x = 18,631.06