Finding the Fourth Proportional to 80,683.25, 111,342.89 and 47,149.25

Step by Step Solution

1. Step 1: Write the proportion equation
   80,683.25 : 111,342.89 = 47,149.25 : x
2. Step 2: Convert to fraction form
   80,683.25/111,342.89 = 47,149.25/x
3. Step 3: Cross multiply
   80,683.25x = 111,342.89 × 47,149.25
4. Step 4: Simplify right side
   80,683.25x = 5,249,733,520.59
5. Step 5: Solve for x
   x = 5,249,733,520.59/80,683.25
6. Step 6: Final answer
   x = 65,065.97