Finding the Fourth Proportional to 139,928.22, 193,105.02 and 76,270.14

Step by Step Solution

1. Step 1: Write the proportion equation
   139,928.22 : 193,105.02 = 76,270.14 : x
2. Step 2: Convert to fraction form
   139,928.22/193,105.02 = 76,270.14/x
3. Step 3: Cross multiply
   139,928.22x = 193,105.02 × 76,270.14
4. Step 4: Simplify right side
   139,928.22x = 14,728,146,910.10
5. Step 5: Solve for x
   x = 14,728,146,910.10/139,928.22
6. Step 6: Final answer
   x = 105,255.02