Finding the Fourth Proportional to 1,024.42, 1,408.24 and 882.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,024.42 : 1,408.24 = 882.10 : x
2. Step 2: Convert to fraction form
   1,024.42/1,408.24 = 882.10/x
3. Step 3: Cross multiply
   1,024.42x = 1,408.24 × 882.10
4. Step 4: Simplify right side
   1,024.42x = 1,242,208.50
5. Step 5: Solve for x
   x = 1,242,208.50/1,024.42
6. Step 6: Final answer
   x = 1,212.60