Finding the Fourth Proportional to 2,410.45, 3,616.13 and 766.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.45 : 3,616.13 = 766.86 : x
2. Step 2: Convert to fraction form
   2,410.45/3,616.13 = 766.86/x
3. Step 3: Cross multiply
   2,410.45x = 3,616.13 × 766.86
4. Step 4: Simplify right side
   2,410.45x = 2,773,065.45
5. Step 5: Solve for x
   x = 2,773,065.45/2,410.45
6. Step 6: Final answer
   x = 1,150.43