Finding the Fourth Proportional to 300,423.66, 414,632.94 and 171,404.22

Step by Step Solution

1. Step 1: Write the proportion equation
   300,423.66 : 414,632.94 = 171,404.22 : x
2. Step 2: Convert to fraction form
   300,423.66/414,632.94 = 171,404.22/x
3. Step 3: Cross multiply
   300,423.66x = 414,632.94 × 171,404.22
4. Step 4: Simplify right side
   300,423.66x = 71,069,835,667.01
5. Step 5: Solve for x
   x = 71,069,835,667.01/300,423.66
6. Step 6: Final answer
   x = 236,565.37