Finding the Fourth Proportional to 118,997.52, 164,208.24 and 65,281.29

Step by Step Solution

1. Step 1: Write the proportion equation
   118,997.52 : 164,208.24 = 65,281.29 : x
2. Step 2: Convert to fraction form
   118,997.52/164,208.24 = 65,281.29/x
3. Step 3: Cross multiply
   118,997.52x = 164,208.24 × 65,281.29
4. Step 4: Simplify right side
   118,997.52x = 10,719,725,735.83
5. Step 5: Solve for x
   x = 10,719,725,735.83/118,997.52
6. Step 6: Final answer
   x = 90,083.61