Finding the Fourth Proportional to 108,615.30, 162,728.55 and 93,063.30

Step by Step Solution

1. Step 1: Write the proportion equation
   108,615.30 : 162,728.55 = 93,063.30 : x
2. Step 2: Convert to fraction form
   108,615.30/162,728.55 = 93,063.30/x
3. Step 3: Cross multiply
   108,615.30x = 162,728.55 × 93,063.30
4. Step 4: Simplify right side
   108,615.30x = 15,144,055,867.22
5. Step 5: Solve for x
   x = 15,144,055,867.22/108,615.30
6. Step 6: Final answer
   x = 139,428.39