Finding the Fourth Proportional to 139,494.05, 192,500.99 and 79,076.09

Step by Step Solution

1. Step 1: Write the proportion equation
   139,494.05 : 192,500.99 = 79,076.09 : x
2. Step 2: Convert to fraction form
   139,494.05/192,500.99 = 79,076.09/x
3. Step 3: Cross multiply
   139,494.05x = 192,500.99 × 79,076.09
4. Step 4: Simplify right side
   139,494.05x = 15,222,225,214.95
5. Step 5: Solve for x
   x = 15,222,225,214.95/139,494.05
6. Step 6: Final answer
   x = 109,124.55