Finding the Fourth Proportional to 79,294.50, 109,396.38 and 50,615.28

Step by Step Solution

1. Step 1: Write the proportion equation
   79,294.50 : 109,396.38 = 50,615.28 : x
2. Step 2: Convert to fraction form
   79,294.50/109,396.38 = 50,615.28/x
3. Step 3: Cross multiply
   79,294.50x = 109,396.38 × 50,615.28
4. Step 4: Simplify right side
   79,294.50x = 5,537,128,404.69
5. Step 5: Solve for x
   x = 5,537,128,404.69/79,294.50
6. Step 6: Final answer
   x = 69,829.92