Finding the Fourth Proportional to 139,256.52, 192,223.92 and 82,667.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,256.52 : 192,223.92 = 82,667.94 : x
2. Step 2: Convert to fraction form
   139,256.52/192,223.92 = 82,667.94/x
3. Step 3: Cross multiply
   139,256.52x = 192,223.92 × 82,667.94
4. Step 4: Simplify right side
   139,256.52x = 15,890,755,485.12
5. Step 5: Solve for x
   x = 15,890,755,485.12/139,256.52
6. Step 6: Final answer
   x = 114,111.39