Finding the Fourth Proportional to 88,083.42, 132,162.15 and 54,831.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,083.42 : 132,162.15 = 54,831.30 : x
2. Step 2: Convert to fraction form
   88,083.42/132,162.15 = 54,831.30/x
3. Step 3: Cross multiply
   88,083.42x = 132,162.15 × 54,831.30
4. Step 4: Simplify right side
   88,083.42x = 7,246,622,495.30
5. Step 5: Solve for x
   x = 7,246,622,495.30/88,083.42
6. Step 6: Final answer
   x = 82,269.99