Finding the Fourth Proportional to 33,973.89, 50,979.17 and 19,961.30

Step by Step Solution

1. Step 1: Write the proportion equation
   33,973.89 : 50,979.17 = 19,961.30 : x
2. Step 2: Convert to fraction form
   33,973.89/50,979.17 = 19,961.30/x
3. Step 3: Cross multiply
   33,973.89x = 50,979.17 × 19,961.30
4. Step 4: Simplify right side
   33,973.89x = 1,017,610,151.42
5. Step 5: Solve for x
   x = 1,017,610,151.42/33,973.89
6. Step 6: Final answer
   x = 29,952.71