Finding the Fourth Proportional to 1,597.67, 2,204.76 and 899.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.67 : 2,204.76 = 899.05 : x
2. Step 2: Convert to fraction form
   1,597.67/2,204.76 = 899.05/x
3. Step 3: Cross multiply
   1,597.67x = 2,204.76 × 899.05
4. Step 4: Simplify right side
   1,597.67x = 1,982,189.48
5. Step 5: Solve for x
   x = 1,982,189.48/1,597.67
6. Step 6: Final answer
   x = 1,240.68