Finding the Fourth Proportional to 1,597.89, 2,205.15 and 899.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.89 : 2,205.15 = 899.25 : x
2. Step 2: Convert to fraction form
   1,597.89/2,205.15 = 899.25/x
3. Step 3: Cross multiply
   1,597.89x = 2,205.15 × 899.25
4. Step 4: Simplify right side
   1,597.89x = 1,982,981.14
5. Step 5: Solve for x
   x = 1,982,981.14/1,597.89
6. Step 6: Final answer
   x = 1,241.00