Finding the Fourth Proportional to 80,886.92, 111,632.29 and 48,632.09

Step by Step Solution

1. Step 1: Write the proportion equation
   80,886.92 : 111,632.29 = 48,632.09 : x
2. Step 2: Convert to fraction form
   80,886.92/111,632.29 = 48,632.09/x
3. Step 3: Cross multiply
   80,886.92x = 111,632.29 × 48,632.09
4. Step 4: Simplify right side
   80,886.92x = 5,428,911,016.02
5. Step 5: Solve for x
   x = 5,428,911,016.02/80,886.92
6. Step 6: Final answer
   x = 67,117.30