Finding the Fourth Proportional to 171,587.62, 257,413.76 and 65,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,587.62 : 257,413.76 = 65,003.50 : x
2. Step 2: Convert to fraction form
   171,587.62/257,413.76 = 65,003.50/x
3. Step 3: Cross multiply
   171,587.62x = 257,413.76 × 65,003.50
4. Step 4: Simplify right side
   171,587.62x = 16,732,795,348.16
5. Step 5: Solve for x
   x = 16,732,795,348.16/171,587.62
6. Step 6: Final answer
   x = 97,517.50