Finding the Fourth Proportional to 123,596.03, 170,563.83 and 72,610.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,596.03 : 170,563.83 = 72,610.88 : x
2. Step 2: Convert to fraction form
   123,596.03/170,563.83 = 72,610.88/x
3. Step 3: Cross multiply
   123,596.03x = 170,563.83 × 72,610.88
4. Step 4: Simplify right side
   123,596.03x = 12,384,789,626.78
5. Step 5: Solve for x
   x = 12,384,789,626.78/123,596.03
6. Step 6: Final answer
   x = 100,203.78