Finding the Fourth Proportional to 139,758.96, 192,865.42 and 76,096.74

Step by Step Solution

1. Step 1: Write the proportion equation
   139,758.96 : 192,865.42 = 76,096.74 : x
2. Step 2: Convert to fraction form
   139,758.96/192,865.42 = 76,096.74/x
3. Step 3: Cross multiply
   139,758.96x = 192,865.42 × 76,096.74
4. Step 4: Simplify right side
   139,758.96x = 14,676,429,720.73
5. Step 5: Solve for x
   x = 14,676,429,720.73/139,758.96
6. Step 6: Final answer
   x = 105,012.44