Finding the Fourth Proportional to 199,687, 275,568.54 and 109,043.14

Step by Step Solution

1. Step 1: Write the proportion equation
   199,687 : 275,568.54 = 109,043.14 : x
2. Step 2: Convert to fraction form
   199,687/275,568.54 = 109,043.14/x
3. Step 3: Cross multiply
   199,687x = 275,568.54 × 109,043.14
4. Step 4: Simplify right side
   199,687x = 30,048,858,886.82
5. Step 5: Solve for x
   x = 30,048,858,886.82/199,687
6. Step 6: Final answer
   x = 150,479.80