Finding the Fourth Proportional to 117,927.72, 162,721.94 and 67,617

Step by Step Solution

1. Step 1: Write the proportion equation
   117,927.72 : 162,721.94 = 67,617 : x
2. Step 2: Convert to fraction form
   117,927.72/162,721.94 = 67,617/x
3. Step 3: Cross multiply
   117,927.72x = 162,721.94 × 67,617
4. Step 4: Simplify right side
   117,927.72x = 11,002,769,078.90
5. Step 5: Solve for x
   x = 11,002,769,078.90/117,927.72
6. Step 6: Final answer
   x = 93,300.96