Finding the Fourth Proportional to 80,970.50, 111,749.04 and 47,436.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,970.50 : 111,749.04 = 47,436.50 : x
2. Step 2: Convert to fraction form
   80,970.50/111,749.04 = 47,436.50/x
3. Step 3: Cross multiply
   80,970.50x = 111,749.04 × 47,436.50
4. Step 4: Simplify right side
   80,970.50x = 5,300,983,335.96
5. Step 5: Solve for x
   x = 5,300,983,335.96/80,970.50
6. Step 6: Final answer
   x = 65,468.08