Finding the Fourth Proportional to 108,544.50, 149,796.01 and 63,215.18

Step by Step Solution

1. Step 1: Write the proportion equation
   108,544.50 : 149,796.01 = 63,215.18 : x
2. Step 2: Convert to fraction form
   108,544.50/149,796.01 = 63,215.18/x
3. Step 3: Cross multiply
   108,544.50x = 149,796.01 × 63,215.18
4. Step 4: Simplify right side
   108,544.50x = 9,469,380,670.38
5. Step 5: Solve for x
   x = 9,469,380,670.38/108,544.50
6. Step 6: Final answer
   x = 87,239.62