Finding the Fourth Proportional to 285,837, 394,426.71 and 165,017.27

Step by Step Solution

1. Step 1: Write the proportion equation
   285,837 : 394,426.71 = 165,017.27 : x
2. Step 2: Convert to fraction form
   285,837/394,426.71 = 165,017.27/x
3. Step 3: Cross multiply
   285,837x = 394,426.71 × 165,017.27
4. Step 4: Simplify right side
   285,837x = 65,087,216,927.15
5. Step 5: Solve for x
   x = 65,087,216,927.15/285,837
6. Step 6: Final answer
   x = 227,707.46