Finding the Fourth Proportional to 82,358.82, 122,478.71 and 79,734.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,358.82 : 122,478.71 = 79,734.42 : x
2. Step 2: Convert to fraction form
   82,358.82/122,478.71 = 79,734.42/x
3. Step 3: Cross multiply
   82,358.82x = 122,478.71 × 79,734.42
4. Step 4: Simplify right side
   82,358.82x = 9,765,768,505.53
5. Step 5: Solve for x
   x = 9,765,768,505.53/82,358.82
6. Step 6: Final answer
   x = 118,575.87