Finding the Fourth Proportional to 314,796.42, 434,406.38 and 171,553.39

Step by Step Solution

1. Step 1: Write the proportion equation
   314,796.42 : 434,406.38 = 171,553.39 : x
2. Step 2: Convert to fraction form
   314,796.42/434,406.38 = 171,553.39/x
3. Step 3: Cross multiply
   314,796.42x = 434,406.38 × 171,553.39
4. Step 4: Simplify right side
   314,796.42x = 74,523,886,469.50
5. Step 5: Solve for x
   x = 74,523,886,469.50/314,796.42
6. Step 6: Final answer
   x = 236,736.77