Finding the Fourth Proportional to 49,150.62, 67,825.32 and 30,980.28

Step by Step Solution

1. Step 1: Write the proportion equation
   49,150.62 : 67,825.32 = 30,980.28 : x
2. Step 2: Convert to fraction form
   49,150.62/67,825.32 = 30,980.28/x
3. Step 3: Cross multiply
   49,150.62x = 67,825.32 × 30,980.28
4. Step 4: Simplify right side
   49,150.62x = 2,101,247,404.69
5. Step 5: Solve for x
   x = 2,101,247,404.69/49,150.62
6. Step 6: Final answer
   x = 42,751.19