Finding the Fourth Proportional to 280,050.58, 386,356.89 and 162,099.94

Step by Step Solution

1. Step 1: Write the proportion equation
   280,050.58 : 386,356.89 = 162,099.94 : x
2. Step 2: Convert to fraction form
   280,050.58/386,356.89 = 162,099.94/x
3. Step 3: Cross multiply
   280,050.58x = 386,356.89 × 162,099.94
4. Step 4: Simplify right side
   280,050.58x = 62,628,428,687.59
5. Step 5: Solve for x
   x = 62,628,428,687.59/280,050.58
6. Step 6: Final answer
   x = 223,632.56