Finding the Fourth Proportional to 2,407.73, 3,612.03 and 764.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.73 : 3,612.03 = 764.69 : x
2. Step 2: Convert to fraction form
   2,407.73/3,612.03 = 764.69/x
3. Step 3: Cross multiply
   2,407.73x = 3,612.03 × 764.69
4. Step 4: Simplify right side
   2,407.73x = 2,762,065.16
5. Step 5: Solve for x
   x = 2,762,065.16/2,407.73
6. Step 6: Final answer
   x = 1,147.17