Finding the Fourth Proportional to 1,719.81, 2,366.15 and 1,326.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.81 : 2,366.15 = 1,326.15 : x
2. Step 2: Convert to fraction form
   1,719.81/2,366.15 = 1,326.15/x
3. Step 3: Cross multiply
   1,719.81x = 2,366.15 × 1,326.15
4. Step 4: Simplify right side
   1,719.81x = 3,137,863.19
5. Step 5: Solve for x
   x = 3,137,863.19/1,719.81
6. Step 6: Final answer
   x = 1,824.54