Finding the Fourth Proportional to 33,317.56, 49,876.71 and 20,129.95

Step by Step Solution

1. Step 1: Write the proportion equation
   33,317.56 : 49,876.71 = 20,129.95 : x
2. Step 2: Convert to fraction form
   33,317.56/49,876.71 = 20,129.95/x
3. Step 3: Cross multiply
   33,317.56x = 49,876.71 × 20,129.95
4. Step 4: Simplify right side
   33,317.56x = 1,004,015,678.46
5. Step 5: Solve for x
   x = 1,004,015,678.46/33,317.56
6. Step 6: Final answer
   x = 30,134.73