Finding the Fourth Proportional to 262,096, 361,692.72 and 142,864

Step by Step Solution

1. Step 1: Write the proportion equation
   262,096 : 361,692.72 = 142,864 : x
2. Step 2: Convert to fraction form
   262,096/361,692.72 = 142,864/x
3. Step 3: Cross multiply
   262,096x = 361,692.72 × 142,864
4. Step 4: Simplify right side
   262,096x = 51,672,868,750.08
5. Step 5: Solve for x
   x = 51,672,868,750.08/262,096
6. Step 6: Final answer
   x = 197,152.45