Finding the Fourth Proportional to 82,722.15, 114,147.29 and 48,728.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,722.15 : 114,147.29 = 48,728.42 : x
2. Step 2: Convert to fraction form
   82,722.15/114,147.29 = 48,728.42/x
3. Step 3: Cross multiply
   82,722.15x = 114,147.29 × 48,728.42
4. Step 4: Simplify right side
   82,722.15x = 5,562,217,088.98
5. Step 5: Solve for x
   x = 5,562,217,088.98/82,722.15
6. Step 6: Final answer
   x = 67,239.75