Finding the Fourth Proportional to 298,876.42, 412,449.47 and 164,740.42

Step by Step Solution

1. Step 1: Write the proportion equation
   298,876.42 : 412,449.47 = 164,740.42 : x
2. Step 2: Convert to fraction form
   298,876.42/412,449.47 = 164,740.42/x
3. Step 3: Cross multiply
   298,876.42x = 412,449.47 × 164,740.42
4. Step 4: Simplify right side
   298,876.42x = 67,947,098,092.88
5. Step 5: Solve for x
   x = 67,947,098,092.88/298,876.42
6. Step 6: Final answer
   x = 227,341.78