Finding the Fourth Proportional to 118,869.93, 164,042.55 and 65,151.54

Step by Step Solution

1. Step 1: Write the proportion equation
   118,869.93 : 164,042.55 = 65,151.54 : x
2. Step 2: Convert to fraction form
   118,869.93/164,042.55 = 65,151.54/x
3. Step 3: Cross multiply
   118,869.93x = 164,042.55 × 65,151.54
4. Step 4: Simplify right side
   118,869.93x = 10,687,624,758.03
5. Step 5: Solve for x
   x = 10,687,624,758.03/118,869.93
6. Step 6: Final answer
   x = 89,910.25