Finding the Fourth Proportional to 80,948.25, 111,708.59 and 47,414.25

Step by Step Solution

1. Step 1: Write the proportion equation
   80,948.25 : 111,708.59 = 47,414.25 : x
2. Step 2: Convert to fraction form
   80,948.25/111,708.59 = 47,414.25/x
3. Step 3: Cross multiply
   80,948.25x = 111,708.59 × 47,414.25
4. Step 4: Simplify right side
   80,948.25x = 5,296,578,776.34
5. Step 5: Solve for x
   x = 5,296,578,776.34/80,948.25
6. Step 6: Final answer
   x = 65,431.67