Finding the Fourth Proportional to 79,322.80, 118,825.52 and 47,715.42

Step by Step Solution

1. Step 1: Write the proportion equation
   79,322.80 : 118,825.52 = 47,715.42 : x
2. Step 2: Convert to fraction form
   79,322.80/118,825.52 = 47,715.42/x
3. Step 3: Cross multiply
   79,322.80x = 118,825.52 × 47,715.42
4. Step 4: Simplify right side
   79,322.80x = 5,669,809,593.52
5. Step 5: Solve for x
   x = 5,669,809,593.52/79,322.80
6. Step 6: Final answer
   x = 71,477.68