Finding the Fourth Proportional to 139,588.01, 192,616.48 and 82,222.84

Step by Step Solution

1. Step 1: Write the proportion equation
   139,588.01 : 192,616.48 = 82,222.84 : x
2. Step 2: Convert to fraction form
   139,588.01/192,616.48 = 82,222.84/x
3. Step 3: Cross multiply
   139,588.01x = 192,616.48 × 82,222.84
4. Step 4: Simplify right side
   139,588.01x = 15,837,474,016.40
5. Step 5: Solve for x
   x = 15,837,474,016.40/139,588.01
6. Step 6: Final answer
   x = 113,458.70