Finding the Fourth Proportional to 2,361.17, 3,542.52 and 1,128.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.17 : 3,542.52 = 1,128.67 : x
2. Step 2: Convert to fraction form
   2,361.17/3,542.52 = 1,128.67/x
3. Step 3: Cross multiply
   2,361.17x = 3,542.52 × 1,128.67
4. Step 4: Simplify right side
   2,361.17x = 3,998,352.25
5. Step 5: Solve for x
   x = 3,998,352.25/2,361.17
6. Step 6: Final answer
   x = 1,693.38