Finding the Fourth Proportional to 1,598.13, 2,205.50 and 899.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.13 : 2,205.50 = 899.37 : x
2. Step 2: Convert to fraction form
   1,598.13/2,205.50 = 899.37/x
3. Step 3: Cross multiply
   1,598.13x = 2,205.50 × 899.37
4. Step 4: Simplify right side
   1,598.13x = 1,983,556.04
5. Step 5: Solve for x
   x = 1,983,556.04/1,598.13
6. Step 6: Final answer
   x = 1,241.17