Finding the Fourth Proportional to 260,856, 359,982.72 and 141,624

Step by Step Solution

1. Step 1: Write the proportion equation
   260,856 : 359,982.72 = 141,624 : x
2. Step 2: Convert to fraction form
   260,856/359,982.72 = 141,624/x
3. Step 3: Cross multiply
   260,856x = 359,982.72 × 141,624
4. Step 4: Simplify right side
   260,856x = 50,982,192,737.28
5. Step 5: Solve for x
   x = 50,982,192,737.28/260,856
6. Step 6: Final answer
   x = 195,441.90