Finding the Fourth Proportional to 139,333.98, 192,280.05 and 75,671.22

Step by Step Solution

1. Step 1: Write the proportion equation
   139,333.98 : 192,280.05 = 75,671.22 : x
2. Step 2: Convert to fraction form
   139,333.98/192,280.05 = 75,671.22/x
3. Step 3: Cross multiply
   139,333.98x = 192,280.05 × 75,671.22
4. Step 4: Simplify right side
   139,333.98x = 14,550,065,965.16
5. Step 5: Solve for x
   x = 14,550,065,965.16/139,333.98
6. Step 6: Final answer
   x = 104,425.83