Finding the Fourth Proportional to 2,231.60, 3,347.82 and 897.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.60 : 3,347.82 = 897.50 : x
2. Step 2: Convert to fraction form
   2,231.60/3,347.82 = 897.50/x
3. Step 3: Cross multiply
   2,231.60x = 3,347.82 × 897.50
4. Step 4: Simplify right side
   2,231.60x = 3,004,654.54
5. Step 5: Solve for x
   x = 3,004,654.54/2,231.60
6. Step 6: Final answer
   x = 1,346.41