Finding the Fourth Proportional to 33,410.30, 50,118.84 and 12,355.98

Step by Step Solution

1. Step 1: Write the proportion equation
   33,410.30 : 50,118.84 = 12,355.98 : x
2. Step 2: Convert to fraction form
   33,410.30/50,118.84 = 12,355.98/x
3. Step 3: Cross multiply
   33,410.30x = 50,118.84 × 12,355.98
4. Step 4: Simplify right side
   33,410.30x = 619,267,384.66
5. Step 5: Solve for x
   x = 619,267,384.66/33,410.30
6. Step 6: Final answer
   x = 18,535.22