Finding the Fourth Proportional to 2,359.09, 3,537.28 and 897.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.09 : 3,537.28 = 897.31 : x
2. Step 2: Convert to fraction form
   2,359.09/3,537.28 = 897.31/x
3. Step 3: Cross multiply
   2,359.09x = 3,537.28 × 897.31
4. Step 4: Simplify right side
   2,359.09x = 3,174,036.72
5. Step 5: Solve for x
   x = 3,174,036.72/2,359.09
6. Step 6: Final answer
   x = 1,345.45