Finding the Fourth Proportional to 118,805.72, 163,951.89 and 65,092.77

Step by Step Solution

1. Step 1: Write the proportion equation
   118,805.72 : 163,951.89 = 65,092.77 : x
2. Step 2: Convert to fraction form
   118,805.72/163,951.89 = 65,092.77/x
3. Step 3: Cross multiply
   118,805.72x = 163,951.89 × 65,092.77
4. Step 4: Simplify right side
   118,805.72x = 10,672,082,666.84
5. Step 5: Solve for x
   x = 10,672,082,666.84/118,805.72
6. Step 6: Final answer
   x = 89,828.02