Finding the Fourth Proportional to 139,494.80, 192,502.02 and 79,076.84

Step by Step Solution

1. Step 1: Write the proportion equation
   139,494.80 : 192,502.02 = 79,076.84 : x
2. Step 2: Convert to fraction form
   139,494.80/192,502.02 = 79,076.84/x
3. Step 3: Cross multiply
   139,494.80x = 192,502.02 × 79,076.84
4. Step 4: Simplify right side
   139,494.80x = 15,222,451,435.22
5. Step 5: Solve for x
   x = 15,222,451,435.22/139,494.80
6. Step 6: Final answer
   x = 109,125.58