Finding the Fourth Proportional to 200,157.72, 300,189.41 and 73,729.31

Step by Step Solution

1. Step 1: Write the proportion equation
   200,157.72 : 300,189.41 = 73,729.31 : x
2. Step 2: Convert to fraction form
   200,157.72/300,189.41 = 73,729.31/x
3. Step 3: Cross multiply
   200,157.72x = 300,189.41 × 73,729.31
4. Step 4: Simplify right side
   200,157.72x = 22,132,756,475.50
5. Step 5: Solve for x
   x = 22,132,756,475.50/200,157.72
6. Step 6: Final answer
   x = 110,576.58