Finding the Fourth Proportional to 300,321.81, 414,536.36 and 173,082.15

Step by Step Solution

1. Step 1: Write the proportion equation
   300,321.81 : 414,536.36 = 173,082.15 : x
2. Step 2: Convert to fraction form
   300,321.81/414,536.36 = 173,082.15/x
3. Step 3: Cross multiply
   300,321.81x = 414,536.36 × 173,082.15
4. Step 4: Simplify right side
   300,321.81x = 71,748,843,576.56
5. Step 5: Solve for x
   x = 71,748,843,576.56/300,321.81
6. Step 6: Final answer
   x = 238,906.54