Finding the Fourth Proportional to 139,452.48, 192,443.52 and 79,848

Step by Step Solution

1. Step 1: Write the proportion equation
   139,452.48 : 192,443.52 = 79,848 : x
2. Step 2: Convert to fraction form
   139,452.48/192,443.52 = 79,848/x
3. Step 3: Cross multiply
   139,452.48x = 192,443.52 × 79,848
4. Step 4: Simplify right side
   139,452.48x = 15,366,230,184.96
5. Step 5: Solve for x
   x = 15,366,230,184.96/139,452.48
6. Step 6: Final answer
   x = 110,189.72