Finding the Fourth Proportional to 199,725.43, 275,619.67 and 109,081.39

Step by Step Solution

1. Step 1: Write the proportion equation
   199,725.43 : 275,619.67 = 109,081.39 : x
2. Step 2: Convert to fraction form
   199,725.43/275,619.67 = 109,081.39/x
3. Step 3: Cross multiply
   199,725.43x = 275,619.67 × 109,081.39
4. Step 4: Simplify right side
   199,725.43x = 30,064,976,714.94
5. Step 5: Solve for x
   x = 30,064,976,714.94/199,725.43
6. Step 6: Final answer
   x = 150,531.54