Finding the Fourth Proportional to 260,443, 359,413.50 and 141,211

Step by Step Solution

1. Step 1: Write the proportion equation
   260,443 : 359,413.50 = 141,211 : x
2. Step 2: Convert to fraction form
   260,443/359,413.50 = 141,211/x
3. Step 3: Cross multiply
   260,443x = 359,413.50 × 141,211
4. Step 4: Simplify right side
   260,443x = 50,753,139,748.50
5. Step 5: Solve for x
   x = 50,753,139,748.50/260,443
6. Step 6: Final answer
   x = 194,872.35