Finding the Fourth Proportional to 401,682.96, 602,499.69 and 165,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   401,682.96 : 602,499.69 = 165,019.50 : x
2. Step 2: Convert to fraction form
   401,682.96/602,499.69 = 165,019.50/x
3. Step 3: Cross multiply
   401,682.96x = 602,499.69 × 165,019.50
4. Step 4: Simplify right side
   401,682.96x = 99,424,197,593.96
5. Step 5: Solve for x
   x = 99,424,197,593.96/401,682.96
6. Step 6: Final answer
   x = 247,519.08