Finding the Fourth Proportional to 199,820.39, 275,748.89 and 109,174.41

Step by Step Solution

1. Step 1: Write the proportion equation
   199,820.39 : 275,748.89 = 109,174.41 : x
2. Step 2: Convert to fraction form
   199,820.39/275,748.89 = 109,174.41/x
3. Step 3: Cross multiply
   199,820.39x = 275,748.89 × 109,174.41
4. Step 4: Simplify right side
   199,820.39x = 30,104,721,828.03
5. Step 5: Solve for x
   x = 30,104,721,828.03/199,820.39
6. Step 6: Final answer
   x = 150,658.91