Finding the Fourth Proportional to 1,446.51, 2,171.79 and 897.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.51 : 2,171.79 = 897.03 : x
2. Step 2: Convert to fraction form
   1,446.51/2,171.79 = 897.03/x
3. Step 3: Cross multiply
   1,446.51x = 2,171.79 × 897.03
4. Step 4: Simplify right side
   1,446.51x = 1,948,160.78
5. Step 5: Solve for x
   x = 1,948,160.78/1,446.51
6. Step 6: Final answer
   x = 1,346.80