Finding the Fourth Proportional to 2,402.36, 3,603.60 and 842.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.36 : 3,603.60 = 842.52 : x
2. Step 2: Convert to fraction form
   2,402.36/3,603.60 = 842.52/x
3. Step 3: Cross multiply
   2,402.36x = 3,603.60 × 842.52
4. Step 4: Simplify right side
   2,402.36x = 3,036,105.07
5. Step 5: Solve for x
   x = 3,036,105.07/2,402.36
6. Step 6: Final answer
   x = 1,263.80