Finding the Fourth Proportional to 139,744.67, 192,851.10 and 76,085.96

Step by Step Solution

1. Step 1: Write the proportion equation
   139,744.67 : 192,851.10 = 76,085.96 : x
2. Step 2: Convert to fraction form
   139,744.67/192,851.10 = 76,085.96/x
3. Step 3: Cross multiply
   139,744.67x = 192,851.10 × 76,085.96
4. Step 4: Simplify right side
   139,744.67x = 14,673,260,116.30
5. Step 5: Solve for x
   x = 14,673,260,116.30/139,744.67
6. Step 6: Final answer
   x = 105,000.50