Finding the Fourth Proportional to 199,109.39, 274,770.83 and 109,685.39

Step by Step Solution

1. Step 1: Write the proportion equation
   199,109.39 : 274,770.83 = 109,685.39 : x
2. Step 2: Convert to fraction form
   199,109.39/274,770.83 = 109,685.39/x
3. Step 3: Cross multiply
   199,109.39x = 274,770.83 × 109,685.39
4. Step 4: Simplify right side
   199,109.39x = 30,138,344,549.53
5. Step 5: Solve for x
   x = 30,138,344,549.53/199,109.39
6. Step 6: Final answer
   x = 151,365.77