Finding the Fourth Proportional to 33,287.61, 45,930.81 and 18,946.59

Step by Step Solution

1. Step 1: Write the proportion equation
   33,287.61 : 45,930.81 = 18,946.59 : x
2. Step 2: Convert to fraction form
   33,287.61/45,930.81 = 18,946.59/x
3. Step 3: Cross multiply
   33,287.61x = 45,930.81 × 18,946.59
4. Step 4: Simplify right side
   33,287.61x = 870,231,995.78
5. Step 5: Solve for x
   x = 870,231,995.78/33,287.61
6. Step 6: Final answer
   x = 26,142.82