Finding the Fourth Proportional to 139,532.09, 192,550.10 and 79,108.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,532.09 : 192,550.10 = 79,108.25 : x
2. Step 2: Convert to fraction form
   139,532.09/192,550.10 = 79,108.25/x
3. Step 3: Cross multiply
   139,532.09x = 192,550.10 × 79,108.25
4. Step 4: Simplify right side
   139,532.09x = 15,232,300,090.03
5. Step 5: Solve for x
   x = 15,232,300,090.03/139,532.09
6. Step 6: Final answer
   x = 109,167.01