Finding the Fourth Proportional to 139,315.78, 192,304.83 and 82,726.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,315.78 : 192,304.83 = 82,726.76 : x
2. Step 2: Convert to fraction form
   139,315.78/192,304.83 = 82,726.76/x
3. Step 3: Cross multiply
   139,315.78x = 192,304.83 × 82,726.76
4. Step 4: Simplify right side
   139,315.78x = 15,908,755,518.25
5. Step 5: Solve for x
   x = 15,908,755,518.25/139,315.78
6. Step 6: Final answer
   x = 114,192.06