Finding the Fourth Proportional to 79,016.48, 109,042.76 and 43,209.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,016.48 : 109,042.76 = 43,209.80 : x
2. Step 2: Convert to fraction form
   79,016.48/109,042.76 = 43,209.80/x
3. Step 3: Cross multiply
   79,016.48x = 109,042.76 × 43,209.80
4. Step 4: Simplify right side
   79,016.48x = 4,711,715,851.05
5. Step 5: Solve for x
   x = 4,711,715,851.05/79,016.48
6. Step 6: Final answer
   x = 59,629.53