Finding the Fourth Proportional to 82,721.15, 114,145.91 and 48,727.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,721.15 : 114,145.91 = 48,727.42 : x
2. Step 2: Convert to fraction form
   82,721.15/114,145.91 = 48,727.42/x
3. Step 3: Cross multiply
   82,721.15x = 114,145.91 × 48,727.42
4. Step 4: Simplify right side
   82,721.15x = 5,562,035,993.65
5. Step 5: Solve for x
   x = 5,562,035,993.65/82,721.15
6. Step 6: Final answer
   x = 67,238.38