Finding the Fourth Proportional to 108,940.88, 150,354.78 and 66,523.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,940.88 : 150,354.78 = 66,523.88 : x
2. Step 2: Convert to fraction form
   108,940.88/150,354.78 = 66,523.88/x
3. Step 3: Cross multiply
   108,940.88x = 150,354.78 × 66,523.88
4. Step 4: Simplify right side
   108,940.88x = 10,002,183,342.15
5. Step 5: Solve for x
   x = 10,002,183,342.15/108,940.88
6. Step 6: Final answer
   x = 91,812.95