Finding the Fourth Proportional to 199,903, 275,858.62 and 109,258.22

Step by Step Solution

1. Step 1: Write the proportion equation
   199,903 : 275,858.62 = 109,258.22 : x
2. Step 2: Convert to fraction form
   199,903/275,858.62 = 109,258.22/x
3. Step 3: Cross multiply
   199,903x = 275,858.62 × 109,258.22
4. Step 4: Simplify right side
   199,903x = 30,139,821,792.86
5. Step 5: Solve for x
   x = 30,139,821,792.86/199,903
6. Step 6: Final answer
   x = 150,772.23