Finding the Fourth Proportional to 354,870.52, 489,722.43 and 227,546.62

Step by Step Solution

1. Step 1: Write the proportion equation
   354,870.52 : 489,722.43 = 227,546.62 : x
2. Step 2: Convert to fraction form
   354,870.52/489,722.43 = 227,546.62/x
3. Step 3: Cross multiply
   354,870.52x = 489,722.43 × 227,546.62
4. Step 4: Simplify right side
   354,870.52x = 111,434,683,684.69
5. Step 5: Solve for x
   x = 111,434,683,684.69/354,870.52
6. Step 6: Final answer
   x = 314,015.05