Finding the Fourth Proportional to 199,904.50, 275,860.69 and 109,259.72

Step by Step Solution

1. Step 1: Write the proportion equation
   199,904.50 : 275,860.69 = 109,259.72 : x
2. Step 2: Convert to fraction form
   199,904.50/275,860.69 = 109,259.72/x
3. Step 3: Cross multiply
   199,904.50x = 275,860.69 × 109,259.72
4. Step 4: Simplify right side
   199,904.50x = 30,140,461,748.41
5. Step 5: Solve for x
   x = 30,140,461,748.41/199,904.50
6. Step 6: Final answer
   x = 150,774.30