Finding the Fourth Proportional to 321,642.72, 482,341.48 and 108,353.41

Step by Step Solution

1. Step 1: Write the proportion equation
   321,642.72 : 482,341.48 = 108,353.41 : x
2. Step 2: Convert to fraction form
   321,642.72/482,341.48 = 108,353.41/x
3. Step 3: Cross multiply
   321,642.72x = 482,341.48 × 108,353.41
4. Step 4: Simplify right side
   321,642.72x = 52,263,342,665.71
5. Step 5: Solve for x
   x = 52,263,342,665.71/321,642.72
6. Step 6: Final answer
   x = 162,488.81