Finding the Fourth Proportional to 2,007.30, 2,813.10 and 2,007.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.30 : 2,813.10 = 2,007.30 : x
2. Step 2: Convert to fraction form
   2,007.30/2,813.10 = 2,007.30/x
3. Step 3: Cross multiply
   2,007.30x = 2,813.10 × 2,007.30
4. Step 4: Simplify right side
   2,007.30x = 5,646,735.63
5. Step 5: Solve for x
   x = 5,646,735.63/2,007.30
6. Step 6: Final answer
   x = 2,813.10