Finding the Fourth Proportional to 80,842.50, 111,562.65 and 47,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,842.50 : 111,562.65 = 47,308.50 : x
2. Step 2: Convert to fraction form
   80,842.50/111,562.65 = 47,308.50/x
3. Step 3: Cross multiply
   80,842.50x = 111,562.65 × 47,308.50
4. Step 4: Simplify right side
   80,842.50x = 5,277,861,627.53
5. Step 5: Solve for x
   x = 5,277,861,627.53/80,842.50
6. Step 6: Final answer
   x = 65,285.73