Finding the Fourth Proportional to 50,980.08, 70,343.16 and 30,834.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,980.08 : 70,343.16 = 30,834.12 : x
2. Step 2: Convert to fraction form
   50,980.08/70,343.16 = 30,834.12/x
3. Step 3: Cross multiply
   50,980.08x = 70,343.16 × 30,834.12
4. Step 4: Simplify right side
   50,980.08x = 2,168,969,436.62
5. Step 5: Solve for x
   x = 2,168,969,436.62/50,980.08
6. Step 6: Final answer
   x = 42,545.43