Finding the Fourth Proportional to 79,468, 109,661.92 and 47,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,468 : 109,661.92 = 47,630.72 : x
2. Step 2: Convert to fraction form
   79,468/109,661.92 = 47,630.72/x
3. Step 3: Cross multiply
   79,468x = 109,661.92 × 47,630.72
4. Step 4: Simplify right side
   79,468x = 5,223,276,206.18
5. Step 5: Solve for x
   x = 5,223,276,206.18/79,468
6. Step 6: Final answer
   x = 65,728.04