Finding the Fourth Proportional to 108,978.96, 150,362.75 and 63,650.66

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.96 : 150,362.75 = 63,650.66 : x
2. Step 2: Convert to fraction form
   108,978.96/150,362.75 = 63,650.66/x
3. Step 3: Cross multiply
   108,978.96x = 150,362.75 × 63,650.66
4. Step 4: Simplify right side
   108,978.96x = 9,570,687,525.10
5. Step 5: Solve for x
   x = 9,570,687,525.10/108,978.96
6. Step 6: Final answer
   x = 87,821.42