Finding the Fourth Proportional to 2,616.06, 3,924.06 and 766.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.06 : 3,924.06 = 766.98 : x
2. Step 2: Convert to fraction form
   2,616.06/3,924.06 = 766.98/x
3. Step 3: Cross multiply
   2,616.06x = 3,924.06 × 766.98
4. Step 4: Simplify right side
   2,616.06x = 3,009,675.54
5. Step 5: Solve for x
   x = 3,009,675.54/2,616.06
6. Step 6: Final answer
   x = 1,150.46