Finding the Fourth Proportional to 300,321.56, 414,536.01 and 173,081.90

Step by Step Solution

1. Step 1: Write the proportion equation
   300,321.56 : 414,536.01 = 173,081.90 : x
2. Step 2: Convert to fraction form
   300,321.56/414,536.01 = 173,081.90/x
3. Step 3: Cross multiply
   300,321.56x = 414,536.01 × 173,081.90
4. Step 4: Simplify right side
   300,321.56x = 71,748,680,229.22
5. Step 5: Solve for x
   x = 71,748,680,229.22/300,321.56
6. Step 6: Final answer
   x = 238,906.19