Finding the Fourth Proportional to 266,443.38, 367,855.89 and 171,118.12

Step by Step Solution

1. Step 1: Write the proportion equation
   266,443.38 : 367,855.89 = 171,118.12 : x
2. Step 2: Convert to fraction form
   266,443.38/367,855.89 = 171,118.12/x
3. Step 3: Cross multiply
   266,443.38x = 367,855.89 × 171,118.12
4. Step 4: Simplify right side
   266,443.38x = 62,946,808,327.73
5. Step 5: Solve for x
   x = 62,946,808,327.73/266,443.38
6. Step 6: Final answer
   x = 236,248.35