Finding the Fourth Proportional to 45,198.47, 62,398.71 and 30,879.83

Step by Step Solution

1. Step 1: Write the proportion equation
   45,198.47 : 62,398.71 = 30,879.83 : x
2. Step 2: Convert to fraction form
   45,198.47/62,398.71 = 30,879.83/x
3. Step 3: Cross multiply
   45,198.47x = 62,398.71 × 30,879.83
4. Step 4: Simplify right side
   45,198.47x = 1,926,861,245.03
5. Step 5: Solve for x
   x = 1,926,861,245.03/45,198.47
6. Step 6: Final answer
   x = 42,631.12