Finding the Fourth Proportional to 118,963.62, 164,174.52 and 65,250.60

Step by Step Solution

1. Step 1: Write the proportion equation
   118,963.62 : 164,174.52 = 65,250.60 : x
2. Step 2: Convert to fraction form
   118,963.62/164,174.52 = 65,250.60/x
3. Step 3: Cross multiply
   118,963.62x = 164,174.52 × 65,250.60
4. Step 4: Simplify right side
   118,963.62x = 10,712,485,934.71
5. Step 5: Solve for x
   x = 10,712,485,934.71/118,963.62
6. Step 6: Final answer
   x = 90,048.42