Finding the Fourth Proportional to 2,002.36, 3,002.56 and 703.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.36 : 3,002.56 = 703.64 : x
2. Step 2: Convert to fraction form
   2,002.36/3,002.56 = 703.64/x
3. Step 3: Cross multiply
   2,002.36x = 3,002.56 × 703.64
4. Step 4: Simplify right side
   2,002.36x = 2,112,721.32
5. Step 5: Solve for x
   x = 2,112,721.32/2,002.36
6. Step 6: Final answer
   x = 1,055.12