Finding the Fourth Proportional to 79,424.16, 109,550.02 and 67,404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,424.16 : 109,550.02 = 67,404.72 : x
2. Step 2: Convert to fraction form
   79,424.16/109,550.02 = 67,404.72/x
3. Step 3: Cross multiply
   79,424.16x = 109,550.02 × 67,404.72
4. Step 4: Simplify right side
   79,424.16x = 7,384,188,424.09
5. Step 5: Solve for x
   x = 7,384,188,424.09/79,424.16
6. Step 6: Final answer
   x = 92,971.56