Finding the Fourth Proportional to 298,105.07, 411,390.27 and 162,141.98

Step by Step Solution

1. Step 1: Write the proportion equation
   298,105.07 : 411,390.27 = 162,141.98 : x
2. Step 2: Convert to fraction form
   298,105.07/411,390.27 = 162,141.98/x
3. Step 3: Cross multiply
   298,105.07x = 411,390.27 × 162,141.98
4. Step 4: Simplify right side
   298,105.07x = 66,703,630,873.58
5. Step 5: Solve for x
   x = 66,703,630,873.58/298,105.07
6. Step 6: Final answer
   x = 223,758.80