Finding the Fourth Proportional to 171,936.10, 258,098.55 and 132,667.30

Step by Step Solution

1. Step 1: Write the proportion equation
   171,936.10 : 258,098.55 = 132,667.30 : x
2. Step 2: Convert to fraction form
   171,936.10/258,098.55 = 132,667.30/x
3. Step 3: Cross multiply
   171,936.10x = 258,098.55 × 132,667.30
4. Step 4: Simplify right side
   171,936.10x = 34,241,237,762.42
5. Step 5: Solve for x
   x = 34,241,237,762.42/171,936.10
6. Step 6: Final answer
   x = 199,150.95