Finding the Fourth Proportional to 199,663.62, 275,546.96 and 109,028.00

Step by Step Solution

1. Step 1: Write the proportion equation
   199,663.62 : 275,546.96 = 109,028.00 : x
2. Step 2: Convert to fraction form
   199,663.62/275,546.96 = 109,028.00/x
3. Step 3: Cross multiply
   199,663.62x = 275,546.96 × 109,028.00
4. Step 4: Simplify right side
   199,663.62x = 30,042,333,065.31
5. Step 5: Solve for x
   x = 30,042,333,065.31/199,663.62
6. Step 6: Final answer
   x = 150,464.73