Finding the Fourth Proportional to 199,818.82, 275,746.76 and 109,172.84

Step by Step Solution

1. Step 1: Write the proportion equation
   199,818.82 : 275,746.76 = 109,172.84 : x
2. Step 2: Convert to fraction form
   199,818.82/275,746.76 = 109,172.84/x
3. Step 3: Cross multiply
   199,818.82x = 275,746.76 × 109,172.84
4. Step 4: Simplify right side
   199,818.82x = 30,104,056,019.45
5. Step 5: Solve for x
   x = 30,104,056,019.45/199,818.82
6. Step 6: Final answer
   x = 150,656.76