Finding the Fourth Proportional to 2,360.81, 3,542.32 and 1,128.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.81 : 3,542.32 = 1,128.59 : x
2. Step 2: Convert to fraction form
   2,360.81/3,542.32 = 1,128.59/x
3. Step 3: Cross multiply
   2,360.81x = 3,542.32 × 1,128.59
4. Step 4: Simplify right side
   2,360.81x = 3,997,826.93
5. Step 5: Solve for x
   x = 3,997,826.93/2,360.81
6. Step 6: Final answer
   x = 1,693.42