Finding the Fourth Proportional to 79,072.57, 109,109.37 and 47,234.71

Step by Step Solution

1. Step 1: Write the proportion equation
   79,072.57 : 109,109.37 = 47,234.71 : x
2. Step 2: Convert to fraction form
   79,072.57/109,109.37 = 47,234.71/x
3. Step 3: Cross multiply
   79,072.57x = 109,109.37 × 47,234.71
4. Step 4: Simplify right side
   79,072.57x = 5,153,749,450.23
5. Step 5: Solve for x
   x = 5,153,749,450.23/79,072.57
6. Step 6: Final answer
   x = 65,177.46