Finding the Fourth Proportional to 171,096.69, 256,623.16 and 71,238.27

Step by Step Solution

1. Step 1: Write the proportion equation
   171,096.69 : 256,623.16 = 71,238.27 : x
2. Step 2: Convert to fraction form
   171,096.69/256,623.16 = 71,238.27/x
3. Step 3: Cross multiply
   171,096.69x = 256,623.16 × 71,238.27
4. Step 4: Simplify right side
   171,096.69x = 18,281,389,960.33
5. Step 5: Solve for x
   x = 18,281,389,960.33/171,096.69
6. Step 6: Final answer
   x = 106,848.30