Finding the Fourth Proportional to 139,189.68, 192,114.72 and 82,633.68

Step by Step Solution

1. Step 1: Write the proportion equation
   139,189.68 : 192,114.72 = 82,633.68 : x
2. Step 2: Convert to fraction form
   139,189.68/192,114.72 = 82,633.68/x
3. Step 3: Cross multiply
   139,189.68x = 192,114.72 × 82,633.68
4. Step 4: Simplify right side
   139,189.68x = 15,875,146,295.77
5. Step 5: Solve for x
   x = 15,875,146,295.77/139,189.68
6. Step 6: Final answer
   x = 114,054.05