Finding the Fourth Proportional to 2,411.52, 3,615.43 and 767.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.52 : 3,615.43 = 767.09 : x
2. Step 2: Convert to fraction form
   2,411.52/3,615.43 = 767.09/x
3. Step 3: Cross multiply
   2,411.52x = 3,615.43 × 767.09
4. Step 4: Simplify right side
   2,411.52x = 2,773,360.20
5. Step 5: Solve for x
   x = 2,773,360.20/2,411.52
6. Step 6: Final answer
   x = 1,150.05