Finding the Fourth Proportional to 269,920.71, 372,414.38 and 162,456.39

Step by Step Solution

1. Step 1: Write the proportion equation
   269,920.71 : 372,414.38 = 162,456.39 : x
2. Step 2: Convert to fraction form
   269,920.71/372,414.38 = 162,456.39/x
3. Step 3: Cross multiply
   269,920.71x = 372,414.38 × 162,456.39
4. Step 4: Simplify right side
   269,920.71x = 60,501,094,946.61
5. Step 5: Solve for x
   x = 60,501,094,946.61/269,920.71
6. Step 6: Final answer
   x = 224,143.95