Finding the Fourth Proportional to 139,731, 192,877.38 and 83,141.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,731 : 192,877.38 = 83,141.16 : x
2. Step 2: Convert to fraction form
   139,731/192,877.38 = 83,141.16/x
3. Step 3: Cross multiply
   139,731x = 192,877.38 × 83,141.16
4. Step 4: Simplify right side
   139,731x = 16,036,049,110.96
5. Step 5: Solve for x
   x = 16,036,049,110.96/139,731
6. Step 6: Final answer
   x = 114,763.72