Finding the Fourth Proportional to 2,361.15, 3,541.77 and 1,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.15 : 3,541.77 = 1,128.69 : x
2. Step 2: Convert to fraction form
   2,361.15/3,541.77 = 1,128.69/x
3. Step 3: Cross multiply
   2,361.15x = 3,541.77 × 1,128.69
4. Step 4: Simplify right side
   2,361.15x = 3,997,560.38
5. Step 5: Solve for x
   x = 3,997,560.38/2,361.15
6. Step 6: Final answer
   x = 1,693.06