Finding the Fourth Proportional to 1,719.31, 2,576.69 and 897.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,719.31 : 2,576.69 = 897.37 : x
2. Step 2: Convert to fraction form
   1,719.31/2,576.69 = 897.37/x
3. Step 3: Cross multiply
   1,719.31x = 2,576.69 × 897.37
4. Step 4: Simplify right side
   1,719.31x = 2,312,244.31
5. Step 5: Solve for x
   x = 2,312,244.31/1,719.31
6. Step 6: Final answer
   x = 1,344.87