Finding the Fourth Proportional to 139,727.67, 192,850.76 and 79,303.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,727.67 : 192,850.76 = 79,303.98 : x
2. Step 2: Convert to fraction form
   139,727.67/192,850.76 = 79,303.98/x
3. Step 3: Cross multiply
   139,727.67x = 192,850.76 × 79,303.98
4. Step 4: Simplify right side
   139,727.67x = 15,293,832,814.02
5. Step 5: Solve for x
   x = 15,293,832,814.02/139,727.67
6. Step 6: Final answer
   x = 109,454.58