Finding the Fourth Proportional to 199,085.50, 274,738.01 and 109,661.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,085.50 : 274,738.01 = 109,661.50 : x
2. Step 2: Convert to fraction form
   199,085.50/274,738.01 = 109,661.50/x
3. Step 3: Cross multiply
   199,085.50x = 274,738.01 × 109,661.50
4. Step 4: Simplify right side
   199,085.50x = 30,128,182,283.62
5. Step 5: Solve for x
   x = 30,128,182,283.62/199,085.50
6. Step 6: Final answer
   x = 151,332.88