Finding the Fourth Proportional to 320,062.86, 480,395.61 and 162,404.46

Step by Step Solution

1. Step 1: Write the proportion equation
   320,062.86 : 480,395.61 = 162,404.46 : x
2. Step 2: Convert to fraction form
   320,062.86/480,395.61 = 162,404.46/x
3. Step 3: Cross multiply
   320,062.86x = 480,395.61 × 162,404.46
4. Step 4: Simplify right side
   320,062.86x = 78,018,389,628.42
5. Step 5: Solve for x
   x = 78,018,389,628.42/320,062.86
6. Step 6: Final answer
   x = 243,759.58