Finding the Fourth Proportional to 79,010.10, 109,035.91 and 47,965.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,010.10 : 109,035.91 = 47,965.72 : x
2. Step 2: Convert to fraction form
   79,010.10/109,035.91 = 47,965.72/x
3. Step 3: Cross multiply
   79,010.10x = 109,035.91 × 47,965.72
4. Step 4: Simplify right side
   79,010.10x = 5,229,985,144.00
5. Step 5: Solve for x
   x = 5,229,985,144.00/79,010.10
6. Step 6: Final answer
   x = 66,193.89