Finding the Fourth Proportional to 108,789.98, 163,192.88 and 45,546.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,789.98 : 163,192.88 = 45,546.50 : x
2. Step 2: Convert to fraction form
   108,789.98/163,192.88 = 45,546.50/x
3. Step 3: Cross multiply
   108,789.98x = 163,192.88 × 45,546.50
4. Step 4: Simplify right side
   108,789.98x = 7,432,864,508.92
5. Step 5: Solve for x
   x = 7,432,864,508.92/108,789.98
6. Step 6: Final answer
   x = 68,323.06