Finding the Fourth Proportional to 315,016.48, 434,733.24 and 171,784.38

Step by Step Solution

1. Step 1: Write the proportion equation
   315,016.48 : 434,733.24 = 171,784.38 : x
2. Step 2: Convert to fraction form
   315,016.48/434,733.24 = 171,784.38/x
3. Step 3: Cross multiply
   315,016.48x = 434,733.24 × 171,784.38
4. Step 4: Simplify right side
   315,016.48x = 74,680,380,098.79
5. Step 5: Solve for x
   x = 74,680,380,098.79/315,016.48
6. Step 6: Final answer
   x = 237,068.17