Finding the Fourth Proportional to 5,007.69, 7,503.30 and 1,719

Step by Step Solution

1. Step 1: Write the proportion equation
   5,007.69 : 7,503.30 = 1,719 : x
2. Step 2: Convert to fraction form
   5,007.69/7,503.30 = 1,719/x
3. Step 3: Cross multiply
   5,007.69x = 7,503.30 × 1,719
4. Step 4: Simplify right side
   5,007.69x = 12,898,172.70
5. Step 5: Solve for x
   x = 12,898,172.70/5,007.69
6. Step 6: Final answer
   x = 2,575.67