Finding the Fourth Proportional to 272,215.48, 408,323.86 and 82,677.32

Step by Step Solution

1. Step 1: Write the proportion equation
   272,215.48 : 408,323.86 = 82,677.32 : x
2. Step 2: Convert to fraction form
   272,215.48/408,323.86 = 82,677.32/x
3. Step 3: Cross multiply
   272,215.48x = 408,323.86 × 82,677.32
4. Step 4: Simplify right side
   272,215.48x = 33,759,122,436.86
5. Step 5: Solve for x
   x = 33,759,122,436.86/272,215.48
6. Step 6: Final answer
   x = 124,016.17