Finding the Fourth Proportional to 118,006.72, 162,831 and 67,696

Step by Step Solution

1. Step 1: Write the proportion equation
   118,006.72 : 162,831 = 67,696 : x
2. Step 2: Convert to fraction form
   118,006.72/162,831 = 67,696/x
3. Step 3: Cross multiply
   118,006.72x = 162,831 × 67,696
4. Step 4: Simplify right side
   118,006.72x = 11,023,007,376
5. Step 5: Solve for x
   x = 11,023,007,376/118,006.72
6. Step 6: Final answer
   x = 93,410.00