Finding the Fourth Proportional to 2,002.45, 3,005.07 and 704.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.45 : 3,005.07 = 704.02 : x
2. Step 2: Convert to fraction form
   2,002.45/3,005.07 = 704.02/x
3. Step 3: Cross multiply
   2,002.45x = 3,005.07 × 704.02
4. Step 4: Simplify right side
   2,002.45x = 2,115,629.38
5. Step 5: Solve for x
   x = 2,115,629.38/2,002.45
6. Step 6: Final answer
   x = 1,056.52