Finding the Fourth Proportional to 121,566.42, 167,629.41 and 79,046.10

Step by Step Solution

1. Step 1: Write the proportion equation
   121,566.42 : 167,629.41 = 79,046.10 : x
2. Step 2: Convert to fraction form
   121,566.42/167,629.41 = 79,046.10/x
3. Step 3: Cross multiply
   121,566.42x = 167,629.41 × 79,046.10
4. Step 4: Simplify right side
   121,566.42x = 13,250,451,105.80
5. Step 5: Solve for x
   x = 13,250,451,105.80/121,566.42
6. Step 6: Final answer
   x = 108,997.63