Finding the Fourth Proportional to 478,062.06, 717,086.61 and 162,738.78

Step by Step Solution

1. Step 1: Write the proportion equation
   478,062.06 : 717,086.61 = 162,738.78 : x
2. Step 2: Convert to fraction form
   478,062.06/717,086.61 = 162,738.78/x
3. Step 3: Cross multiply
   478,062.06x = 717,086.61 × 162,738.78
4. Step 4: Simplify right side
   478,062.06x = 116,697,800,065.74
5. Step 5: Solve for x
   x = 116,697,800,065.74/478,062.06
6. Step 6: Final answer
   x = 244,105.96