Finding the Fourth Proportional to 118,997.92, 164,227.50 and 65,293.28

Step by Step Solution

1. Step 1: Write the proportion equation
   118,997.92 : 164,227.50 = 65,293.28 : x
2. Step 2: Convert to fraction form
   118,997.92/164,227.50 = 65,293.28/x
3. Step 3: Cross multiply
   118,997.92x = 164,227.50 × 65,293.28
4. Step 4: Simplify right side
   118,997.92x = 10,722,952,141.20
5. Step 5: Solve for x
   x = 10,722,952,141.20/118,997.92
6. Step 6: Final answer
   x = 90,110.42