Finding the Fourth Proportional to 199,730.98, 275,622.51 and 109,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,730.98 : 275,622.51 = 109,085.50 : x
2. Step 2: Convert to fraction form
   199,730.98/275,622.51 = 109,085.50/x
3. Step 3: Cross multiply
   199,730.98x = 275,622.51 × 109,085.50
4. Step 4: Simplify right side
   199,730.98x = 30,066,419,314.61
5. Step 5: Solve for x
   x = 30,066,419,314.61/199,730.98
6. Step 6: Final answer
   x = 150,534.58