Finding the Fourth Proportional to 139,952.68, 193,127.71 and 79,515.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,952.68 : 193,127.71 = 79,515.34 : x
2. Step 2: Convert to fraction form
   139,952.68/193,127.71 = 79,515.34/x
3. Step 3: Cross multiply
   139,952.68x = 193,127.71 × 79,515.34
4. Step 4: Simplify right side
   139,952.68x = 15,356,615,524.07
5. Step 5: Solve for x
   x = 15,356,615,524.07/139,952.68
6. Step 6: Final answer
   x = 109,727.20