Finding the Fourth Proportional to 108,546.10, 162,819.15 and 108,546.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,546.10 : 162,819.15 = 108,546.10 : x
2. Step 2: Convert to fraction form
   108,546.10/162,819.15 = 108,546.10/x
3. Step 3: Cross multiply
   108,546.10x = 162,819.15 × 108,546.10
4. Step 4: Simplify right side
   108,546.10x = 17,673,383,737.82
5. Step 5: Solve for x
   x = 17,673,383,737.82/108,546.10
6. Step 6: Final answer
   x = 162,819.15