Finding the Fourth Proportional to 33,663.69, 50,504.18 and 10,290.06

Step by Step Solution

1. Step 1: Write the proportion equation
   33,663.69 : 50,504.18 = 10,290.06 : x
2. Step 2: Convert to fraction form
   33,663.69/50,504.18 = 10,290.06/x
3. Step 3: Cross multiply
   33,663.69x = 50,504.18 × 10,290.06
4. Step 4: Simplify right side
   33,663.69x = 519,690,991.00
5. Step 5: Solve for x
   x = 519,690,991.00/33,663.69
6. Step 6: Final answer
   x = 15,437.73