Finding the Fourth Proportional to 139,757.69, 192,863.70 and 76,095.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,757.69 : 192,863.70 = 76,095.50 : x
2. Step 2: Convert to fraction form
   139,757.69/192,863.70 = 76,095.50/x
3. Step 3: Cross multiply
   139,757.69x = 192,863.70 × 76,095.50
4. Step 4: Simplify right side
   139,757.69x = 14,676,058,719.03
5. Step 5: Solve for x
   x = 14,676,058,719.03/139,757.69
6. Step 6: Final answer
   x = 105,010.74