Finding the Fourth Proportional to 139,951.68, 193,126.32 and 79,514.34

Step by Step Solution

1. Step 1: Write the proportion equation
   139,951.68 : 193,126.32 = 79,514.34 : x
2. Step 2: Convert to fraction form
   139,951.68/193,126.32 = 79,514.34/x
3. Step 3: Cross multiply
   139,951.68x = 193,126.32 × 79,514.34
4. Step 4: Simplify right side
   139,951.68x = 15,356,311,871.43
5. Step 5: Solve for x
   x = 15,356,311,871.43/139,951.68
6. Step 6: Final answer
   x = 109,725.81