Finding the Fourth Proportional to 117,540.52, 162,205.91 and 67,239.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,540.52 : 162,205.91 = 67,239.52 : x
2. Step 2: Convert to fraction form
   117,540.52/162,205.91 = 67,239.52/x
3. Step 3: Cross multiply
   117,540.52x = 162,205.91 × 67,239.52
4. Step 4: Simplify right side
   117,540.52x = 10,906,646,718.53
5. Step 5: Solve for x
   x = 10,906,646,718.53/117,540.52
6. Step 6: Final answer
   x = 92,790.53