Finding the Fourth Proportional to 185,694.83, 256,259.94 and 109,217.15

Step by Step Solution

1. Step 1: Write the proportion equation
   185,694.83 : 256,259.94 = 109,217.15 : x
2. Step 2: Convert to fraction form
   185,694.83/256,259.94 = 109,217.15/x
3. Step 3: Cross multiply
   185,694.83x = 256,259.94 × 109,217.15
4. Step 4: Simplify right side
   185,694.83x = 27,987,978,478.59
5. Step 5: Solve for x
   x = 27,987,978,478.59/185,694.83
6. Step 6: Final answer
   x = 150,720.29