Finding the Fourth Proportional to 33,429.95, 50,111.24 and 20,958.74

Step by Step Solution

1. Step 1: Write the proportion equation
   33,429.95 : 50,111.24 = 20,958.74 : x
2. Step 2: Convert to fraction form
   33,429.95/50,111.24 = 20,958.74/x
3. Step 3: Cross multiply
   33,429.95x = 50,111.24 × 20,958.74
4. Step 4: Simplify right side
   33,429.95x = 1,050,268,094.89
5. Step 5: Solve for x
   x = 1,050,268,094.89/33,429.95
6. Step 6: Final answer
   x = 31,416.99