Finding the Fourth Proportional to 300,338.59, 414,570.96 and 173,064.91

Step by Step Solution

1. Step 1: Write the proportion equation
   300,338.59 : 414,570.96 = 173,064.91 : x
2. Step 2: Convert to fraction form
   300,338.59/414,570.96 = 173,064.91/x
3. Step 3: Cross multiply
   300,338.59x = 414,570.96 × 173,064.91
4. Step 4: Simplify right side
   300,338.59x = 71,747,685,881.01
5. Step 5: Solve for x
   x = 71,747,685,881.01/300,338.59
6. Step 6: Final answer
   x = 238,889.33