Finding the Fourth Proportional to 123,616.83, 170,591.33 and 67,028.21

Step by Step Solution

1. Step 1: Write the proportion equation
   123,616.83 : 170,591.33 = 67,028.21 : x
2. Step 2: Convert to fraction form
   123,616.83/170,591.33 = 67,028.21/x
3. Step 3: Cross multiply
   123,616.83x = 170,591.33 × 67,028.21
4. Step 4: Simplify right side
   123,616.83x = 11,434,430,303.32
5. Step 5: Solve for x
   x = 11,434,430,303.32/123,616.83
6. Step 6: Final answer
   x = 92,498.98