Finding the Fourth Proportional to 5,012.47, 7,519.72 and 3,453.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,012.47 : 7,519.72 = 3,453.22 : x
2. Step 2: Convert to fraction form
   5,012.47/7,519.72 = 3,453.22/x
3. Step 3: Cross multiply
   5,012.47x = 7,519.72 × 3,453.22
4. Step 4: Simplify right side
   5,012.47x = 25,967,247.50
5. Step 5: Solve for x
   x = 25,967,247.50/5,012.47
6. Step 6: Final answer
   x = 5,180.53