Finding the Fourth Proportional to 139,423.82, 192,404.36 and 79,006.01

Step by Step Solution

1. Step 1: Write the proportion equation
   139,423.82 : 192,404.36 = 79,006.01 : x
2. Step 2: Convert to fraction form
   139,423.82/192,404.36 = 79,006.01/x
3. Step 3: Cross multiply
   139,423.82x = 192,404.36 × 79,006.01
4. Step 4: Simplify right side
   139,423.82x = 15,201,100,025.70
5. Step 5: Solve for x
   x = 15,201,100,025.70/139,423.82
6. Step 6: Final answer
   x = 109,028.00