Finding the Fourth Proportional to 139,440.01, 192,426.69 and 79,022.17

Step by Step Solution

1. Step 1: Write the proportion equation
   139,440.01 : 192,426.69 = 79,022.17 : x
2. Step 2: Convert to fraction form
   139,440.01/192,426.69 = 79,022.17/x
3. Step 3: Cross multiply
   139,440.01x = 192,426.69 × 79,022.17
4. Step 4: Simplify right side
   139,440.01x = 15,205,974,609.72
5. Step 5: Solve for x
   x = 15,205,974,609.72/139,440.01
6. Step 6: Final answer
   x = 109,050.30