Finding the Fourth Proportional to 3,116.32, 4,300.50 and 1,719.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.32 : 4,300.50 = 1,719.07 : x
2. Step 2: Convert to fraction form
   3,116.32/4,300.50 = 1,719.07/x
3. Step 3: Cross multiply
   3,116.32x = 4,300.50 × 1,719.07
4. Step 4: Simplify right side
   3,116.32x = 7,392,860.54
5. Step 5: Solve for x
   x = 7,392,860.54/3,116.32
6. Step 6: Final answer
   x = 2,372.30