Finding the Fourth Proportional to 139,661.12, 192,730.72 and 75,997.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,661.12 : 192,730.72 = 75,997.82 : x
2. Step 2: Convert to fraction form
   139,661.12/192,730.72 = 75,997.82/x
3. Step 3: Cross multiply
   139,661.12x = 192,730.72 × 75,997.82
4. Step 4: Simplify right side
   139,661.12x = 14,647,114,567.03
5. Step 5: Solve for x
   x = 14,647,114,567.03/139,661.12
6. Step 6: Final answer
   x = 104,876.11