Finding the Fourth Proportional to 485,162.01, 727,708.89 and 181,498.23

Step by Step Solution

1. Step 1: Write the proportion equation
   485,162.01 : 727,708.89 = 181,498.23 : x
2. Step 2: Convert to fraction form
   485,162.01/727,708.89 = 181,498.23/x
3. Step 3: Cross multiply
   485,162.01x = 727,708.89 × 181,498.23
4. Step 4: Simplify right side
   485,162.01x = 132,077,875,490.27
5. Step 5: Solve for x
   x = 132,077,875,490.27/485,162.01
6. Step 6: Final answer
   x = 272,234.58