Finding the Fourth Proportional to 2,064.79, 3,097.47 and 766.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.79 : 3,097.47 = 766.13 : x
2. Step 2: Convert to fraction form
   2,064.79/3,097.47 = 766.13/x
3. Step 3: Cross multiply
   2,064.79x = 3,097.47 × 766.13
4. Step 4: Simplify right side
   2,064.79x = 2,373,064.69
5. Step 5: Solve for x
   x = 2,373,064.69/2,064.79
6. Step 6: Final answer
   x = 1,149.30