Finding the Fourth Proportional to 199,904.18, 275,860.27 and 109,259.40

Step by Step Solution

1. Step 1: Write the proportion equation
   199,904.18 : 275,860.27 = 109,259.40 : x
2. Step 2: Convert to fraction form
   199,904.18/275,860.27 = 109,259.40/x
3. Step 3: Cross multiply
   199,904.18x = 275,860.27 × 109,259.40
4. Step 4: Simplify right side
   199,904.18x = 30,140,328,345.37
5. Step 5: Solve for x
   x = 30,140,328,345.37/199,904.18
6. Step 6: Final answer
   x = 150,773.88