Finding the Fourth Proportional to 118,797.72, 163,940.94 and 65,084.70

Step by Step Solution

1. Step 1: Write the proportion equation
   118,797.72 : 163,940.94 = 65,084.70 : x
2. Step 2: Convert to fraction form
   118,797.72/163,940.94 = 65,084.70/x
3. Step 3: Cross multiply
   118,797.72x = 163,940.94 × 65,084.70
4. Step 4: Simplify right side
   118,797.72x = 10,670,046,897.62
5. Step 5: Solve for x
   x = 10,670,046,897.62/118,797.72
6. Step 6: Final answer
   x = 89,816.93