Finding the Fourth Proportional to 1,103.21, 1,522.42 and 599.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.21 : 1,522.42 = 599.05 : x
2. Step 2: Convert to fraction form
   1,103.21/1,522.42 = 599.05/x
3. Step 3: Cross multiply
   1,103.21x = 1,522.42 × 599.05
4. Step 4: Simplify right side
   1,103.21x = 912,003.12
5. Step 5: Solve for x
   x = 912,003.12/1,103.21
6. Step 6: Final answer
   x = 826.68