Finding the Fourth Proportional to 1,456.58, 2,011.12 and 897.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.58 : 2,011.12 = 897.23 : x
2. Step 2: Convert to fraction form
   1,456.58/2,011.12 = 897.23/x
3. Step 3: Cross multiply
   1,456.58x = 2,011.12 × 897.23
4. Step 4: Simplify right side
   1,456.58x = 1,804,437.20
5. Step 5: Solve for x
   x = 1,804,437.20/1,456.58
6. Step 6: Final answer
   x = 1,238.82