Finding the Fourth Proportional to 402,196.82, 603,372.99 and 152,859.38

Step by Step Solution

1. Step 1: Write the proportion equation
   402,196.82 : 603,372.99 = 152,859.38 : x
2. Step 2: Convert to fraction form
   402,196.82/603,372.99 = 152,859.38/x
3. Step 3: Cross multiply
   402,196.82x = 603,372.99 × 152,859.38
4. Step 4: Simplify right side
   402,196.82x = 92,231,218,143.28
5. Step 5: Solve for x
   x = 92,231,218,143.28/402,196.82
6. Step 6: Final answer
   x = 229,318.62