Finding the Fourth Proportional to 139,652.83, 192,687.31 and 82,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,652.83 : 192,687.31 = 82,294.50 : x
2. Step 2: Convert to fraction form
   139,652.83/192,687.31 = 82,294.50/x
3. Step 3: Cross multiply
   139,652.83x = 192,687.31 × 82,294.50
4. Step 4: Simplify right side
   139,652.83x = 15,857,105,248.21
5. Step 5: Solve for x
   x = 15,857,105,248.21/139,652.83
6. Step 6: Final answer
   x = 113,546.61