Finding the Fourth Proportional to 2,551.30, 3,519.39 and 1,503.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.30 : 3,519.39 = 1,503.16 : x
2. Step 2: Convert to fraction form
   2,551.30/3,519.39 = 1,503.16/x
3. Step 3: Cross multiply
   2,551.30x = 3,519.39 × 1,503.16
4. Step 4: Simplify right side
   2,551.30x = 5,290,206.27
5. Step 5: Solve for x
   x = 5,290,206.27/2,551.30
6. Step 6: Final answer
   x = 2,073.53