Finding the Fourth Proportional to 298,461.72, 411,852.06 and 171,108.12

Step by Step Solution

1. Step 1: Write the proportion equation
   298,461.72 : 411,852.06 = 171,108.12 : x
2. Step 2: Convert to fraction form
   298,461.72/411,852.06 = 171,108.12/x
3. Step 3: Cross multiply
   298,461.72x = 411,852.06 × 171,108.12
4. Step 4: Simplify right side
   298,461.72x = 70,471,231,704.73
5. Step 5: Solve for x
   x = 70,471,231,704.73/298,461.72
6. Step 6: Final answer
   x = 236,114.81