Finding the Fourth Proportional to 200,433.96, 300,389.82 and 111,683.88

Step by Step Solution

1. Step 1: Write the proportion equation
   200,433.96 : 300,389.82 = 111,683.88 : x
2. Step 2: Convert to fraction form
   200,433.96/300,389.82 = 111,683.88/x
3. Step 3: Cross multiply
   200,433.96x = 300,389.82 × 111,683.88
4. Step 4: Simplify right side
   200,433.96x = 33,548,700,610.10
5. Step 5: Solve for x
   x = 33,548,700,610.10/200,433.96
6. Step 6: Final answer
   x = 167,380.32