Finding the Fourth Proportional to 50,121, 69,147.90 and 33,133.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,121 : 69,147.90 = 33,133.32 : x
2. Step 2: Convert to fraction form
   50,121/69,147.90 = 33,133.32/x
3. Step 3: Cross multiply
   50,121x = 69,147.90 × 33,133.32
4. Step 4: Simplify right side
   50,121x = 2,291,099,498.03
5. Step 5: Solve for x
   x = 2,291,099,498.03/50,121
6. Step 6: Final answer
   x = 45,711.37