Finding the Fourth Proportional to 118,868.34, 164,042.34 and 65,153.37

Step by Step Solution

1. Step 1: Write the proportion equation
   118,868.34 : 164,042.34 = 65,153.37 : x
2. Step 2: Convert to fraction form
   118,868.34/164,042.34 = 65,153.37/x
3. Step 3: Cross multiply
   118,868.34x = 164,042.34 × 65,153.37
4. Step 4: Simplify right side
   118,868.34x = 10,687,911,273.69
5. Step 5: Solve for x
   x = 10,687,911,273.69/118,868.34
6. Step 6: Final answer
   x = 89,913.86