Finding the Fourth Proportional to 151,748.88, 209,413.49 and 83,765.89

Step by Step Solution

1. Step 1: Write the proportion equation
   151,748.88 : 209,413.49 = 83,765.89 : x
2. Step 2: Convert to fraction form
   151,748.88/209,413.49 = 83,765.89/x
3. Step 3: Cross multiply
   151,748.88x = 209,413.49 × 83,765.89
4. Step 4: Simplify right side
   151,748.88x = 17,541,707,367.86
5. Step 5: Solve for x
   x = 17,541,707,367.86/151,748.88
6. Step 6: Final answer
   x = 115,596.95