Finding the Fourth Proportional to 79,144.72, 109,216.92 and 47,294.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,144.72 : 109,216.92 = 47,294.80 : x
2. Step 2: Convert to fraction form
   79,144.72/109,216.92 = 47,294.80/x
3. Step 3: Cross multiply
   79,144.72x = 109,216.92 × 47,294.80
4. Step 4: Simplify right side
   79,144.72x = 5,165,392,388.02
5. Step 5: Solve for x
   x = 5,165,392,388.02/79,144.72
6. Step 6: Final answer
   x = 65,265.15