Finding the Fourth Proportional to 297,124.72, 410,028.42 and 161,156.50

Step by Step Solution

1. Step 1: Write the proportion equation
   297,124.72 : 410,028.42 = 161,156.50 : x
2. Step 2: Convert to fraction form
   297,124.72/410,028.42 = 161,156.50/x
3. Step 3: Cross multiply
   297,124.72x = 410,028.42 × 161,156.50
4. Step 4: Simplify right side
   297,124.72x = 66,078,745,067.73
5. Step 5: Solve for x
   x = 66,078,745,067.73/297,124.72
6. Step 6: Final answer
   x = 222,393.97