Finding the Fourth Proportional to 33,678.18, 50,501.68 and 12,602.59

Step by Step Solution

1. Step 1: Write the proportion equation
   33,678.18 : 50,501.68 = 12,602.59 : x
2. Step 2: Convert to fraction form
   33,678.18/50,501.68 = 12,602.59/x
3. Step 3: Cross multiply
   33,678.18x = 50,501.68 × 12,602.59
4. Step 4: Simplify right side
   33,678.18x = 636,451,809.59
5. Step 5: Solve for x
   x = 636,451,809.59/33,678.18
6. Step 6: Final answer
   x = 18,898.05