Finding the Fourth Proportional to 139,532.82, 192,551.22 and 79,109.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,532.82 : 192,551.22 = 79,109.04 : x
2. Step 2: Convert to fraction form
   139,532.82/192,551.22 = 79,109.04/x
3. Step 3: Cross multiply
   139,532.82x = 192,551.22 × 79,109.04
4. Step 4: Simplify right side
   139,532.82x = 15,232,542,165.03
5. Step 5: Solve for x
   x = 15,232,542,165.03/139,532.82
6. Step 6: Final answer
   x = 109,168.17