Finding the Fourth Proportional to 5,012.72, 7,519.59 and 1,725.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,012.72 : 7,519.59 = 1,725.38 : x
2. Step 2: Convert to fraction form
   5,012.72/7,519.59 = 1,725.38/x
3. Step 3: Cross multiply
   5,012.72x = 7,519.59 × 1,725.38
4. Step 4: Simplify right side
   5,012.72x = 12,974,168.99
5. Step 5: Solve for x
   x = 12,974,168.99/5,012.72
6. Step 6: Final answer
   x = 2,588.25