Finding the Fourth Proportional to 118,805.72, 163,951.78 and 65,094.08

Step by Step Solution

1. Step 1: Write the proportion equation
   118,805.72 : 163,951.78 = 65,094.08 : x
2. Step 2: Convert to fraction form
   118,805.72/163,951.78 = 65,094.08/x
3. Step 3: Cross multiply
   118,805.72x = 163,951.78 × 65,094.08
4. Step 4: Simplify right side
   118,805.72x = 10,672,290,283.46
5. Step 5: Solve for x
   x = 10,672,290,283.46/118,805.72
6. Step 6: Final answer
   x = 89,829.77