Finding the Fourth Proportional to 314,608.55, 434,159.98 and 171,369.23

Step by Step Solution

1. Step 1: Write the proportion equation
   314,608.55 : 434,159.98 = 171,369.23 : x
2. Step 2: Convert to fraction form
   314,608.55/434,159.98 = 171,369.23/x
3. Step 3: Cross multiply
   314,608.55x = 434,159.98 × 171,369.23
4. Step 4: Simplify right side
   314,608.55x = 74,401,658,870.19
5. Step 5: Solve for x
   x = 74,401,658,870.19/314,608.55
6. Step 6: Final answer
   x = 236,489.63