Finding the Fourth Proportional to 315,196.33, 434,962.35 and 171,956.35

Step by Step Solution

1. Step 1: Write the proportion equation
   315,196.33 : 434,962.35 = 171,956.35 : x
2. Step 2: Convert to fraction form
   315,196.33/434,962.35 = 171,956.35/x
3. Step 3: Cross multiply
   315,196.33x = 434,962.35 × 171,956.35
4. Step 4: Simplify right side
   315,196.33x = 74,794,538,093.42
5. Step 5: Solve for x
   x = 74,794,538,093.42/315,196.33
6. Step 6: Final answer
   x = 237,295.08