Finding the Fourth Proportional to 50,832.75, 70,132.39 and 30,681.98

Step by Step Solution

1. Step 1: Write the proportion equation
   50,832.75 : 70,132.39 = 30,681.98 : x
2. Step 2: Convert to fraction form
   50,832.75/70,132.39 = 30,681.98/x
3. Step 3: Cross multiply
   50,832.75x = 70,132.39 × 30,681.98
4. Step 4: Simplify right side
   50,832.75x = 2,151,800,587.33
5. Step 5: Solve for x
   x = 2,151,800,587.33/50,832.75
6. Step 6: Final answer
   x = 42,330.99