Finding the Fourth Proportional to 108,133.56, 162,085.50 and 63,781.20

Step by Step Solution

1. Step 1: Write the proportion equation
   108,133.56 : 162,085.50 = 63,781.20 : x
2. Step 2: Convert to fraction form
   108,133.56/162,085.50 = 63,781.20/x
3. Step 3: Cross multiply
   108,133.56x = 162,085.50 × 63,781.20
4. Step 4: Simplify right side
   108,133.56x = 10,338,007,692.60
5. Step 5: Solve for x
   x = 10,338,007,692.60/108,133.56
6. Step 6: Final answer
   x = 95,604.06