Finding the Fourth Proportional to 139,173.83, 192,057.41 and 84,706.29

Step by Step Solution

1. Step 1: Write the proportion equation
   139,173.83 : 192,057.41 = 84,706.29 : x
2. Step 2: Convert to fraction form
   139,173.83/192,057.41 = 84,706.29/x
3. Step 3: Cross multiply
   139,173.83x = 192,057.41 × 84,706.29
4. Step 4: Simplify right side
   139,173.83x = 16,268,470,879.87
5. Step 5: Solve for x
   x = 16,268,470,879.87/139,173.83
6. Step 6: Final answer
   x = 116,893.18