Finding the Fourth Proportional to 1,021.05, 1,408.88 and 601.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021.05 : 1,408.88 = 601.32 : x
2. Step 2: Convert to fraction form
   1,021.05/1,408.88 = 601.32/x
3. Step 3: Cross multiply
   1,021.05x = 1,408.88 × 601.32
4. Step 4: Simplify right side
   1,021.05x = 847,184.72
5. Step 5: Solve for x
   x = 847,184.72/1,021.05
6. Step 6: Final answer
   x = 829.72