Finding the Fourth Proportional to 3,116.34, 4,300.38 and 1,719

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.34 : 4,300.38 = 1,719 : x
2. Step 2: Convert to fraction form
   3,116.34/4,300.38 = 1,719/x
3. Step 3: Cross multiply
   3,116.34x = 4,300.38 × 1,719
4. Step 4: Simplify right side
   3,116.34x = 7,392,353.22
5. Step 5: Solve for x
   x = 7,392,353.22/3,116.34
6. Step 6: Final answer
   x = 2,372.13