Finding the Fourth Proportional to 518,154.72, 777,259.89 and 163,196.52

Step by Step Solution

1. Step 1: Write the proportion equation
   518,154.72 : 777,259.89 = 163,196.52 : x
2. Step 2: Convert to fraction form
   518,154.72/777,259.89 = 163,196.52/x
3. Step 3: Cross multiply
   518,154.72x = 777,259.89 × 163,196.52
4. Step 4: Simplify right side
   518,154.72x = 126,846,109,183.58
5. Step 5: Solve for x
   x = 126,846,109,183.58/518,154.72
6. Step 6: Final answer
   x = 244,803.54