Finding the Fourth Proportional to 1,021.01, 1,408.86 and 601.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021.01 : 1,408.86 = 601.34 : x
2. Step 2: Convert to fraction form
   1,021.01/1,408.86 = 601.34/x
3. Step 3: Cross multiply
   1,021.01x = 1,408.86 × 601.34
4. Step 4: Simplify right side
   1,021.01x = 847,196.83
5. Step 5: Solve for x
   x = 847,196.83/1,021.01
6. Step 6: Final answer
   x = 829.77