Finding the Fourth Proportional to 139,762.88, 192,863.02 and 79,334.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,762.88 : 192,863.02 = 79,334.76 : x
2. Step 2: Convert to fraction form
   139,762.88/192,863.02 = 79,334.76/x
3. Step 3: Cross multiply
   139,762.88x = 192,863.02 × 79,334.76
4. Step 4: Simplify right side
   139,762.88x = 15,300,741,404.58
5. Step 5: Solve for x
   x = 15,300,741,404.58/139,762.88
6. Step 6: Final answer
   x = 109,476.43