Finding the Fourth Proportional to 199,300.50, 275,034.69 and 109,876.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,300.50 : 275,034.69 = 109,876.50 : x
2. Step 2: Convert to fraction form
   199,300.50/275,034.69 = 109,876.50/x
3. Step 3: Cross multiply
   199,300.50x = 275,034.69 × 109,876.50
4. Step 4: Simplify right side
   199,300.50x = 30,219,849,115.79
5. Step 5: Solve for x
   x = 30,219,849,115.79/199,300.50
6. Step 6: Final answer
   x = 151,629.57