Finding the Fourth Proportional to 139,500.15, 192,525.25 and 79,064.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,500.15 : 192,525.25 = 79,064.30 : x
2. Step 2: Convert to fraction form
   139,500.15/192,525.25 = 79,064.30/x
3. Step 3: Cross multiply
   139,500.15x = 192,525.25 × 79,064.30
4. Step 4: Simplify right side
   139,500.15x = 15,221,874,123.58
5. Step 5: Solve for x
   x = 15,221,874,123.58/139,500.15
6. Step 6: Final answer
   x = 109,117.26