Finding the Fourth Proportional to 1,597.94, 2,205.12 and 899.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,597.94 : 2,205.12 = 899.30 : x
2. Step 2: Convert to fraction form
   1,597.94/2,205.12 = 899.30/x
3. Step 3: Cross multiply
   1,597.94x = 2,205.12 × 899.30
4. Step 4: Simplify right side
   1,597.94x = 1,983,064.42
5. Step 5: Solve for x
   x = 1,983,064.42/1,597.94
6. Step 6: Final answer
   x = 1,241.01