Finding the Fourth Proportional to 139,735, 192,848.88 and 79,321.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,735 : 192,848.88 = 79,321.96 : x
2. Step 2: Convert to fraction form
   139,735/192,848.88 = 79,321.96/x
3. Step 3: Cross multiply
   139,735x = 192,848.88 × 79,321.96
4. Step 4: Simplify right side
   139,735x = 15,297,151,145.40
5. Step 5: Solve for x
   x = 15,297,151,145.40/139,735
6. Step 6: Final answer
   x = 109,472.58