Finding the Fourth Proportional to 2,357.31, 3,533.94 and 897.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.31 : 3,533.94 = 897.51 : x
2. Step 2: Convert to fraction form
   2,357.31/3,533.94 = 897.51/x
3. Step 3: Cross multiply
   2,357.31x = 3,533.94 × 897.51
4. Step 4: Simplify right side
   2,357.31x = 3,171,746.49
5. Step 5: Solve for x
   x = 3,171,746.49/2,357.31
6. Step 6: Final answer
   x = 1,345.49