Finding the Fourth Proportional to 1,770.18, 2,442.84 and 984.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.18 : 2,442.84 = 984.22 : x
2. Step 2: Convert to fraction form
   1,770.18/2,442.84 = 984.22/x
3. Step 3: Cross multiply
   1,770.18x = 2,442.84 × 984.22
4. Step 4: Simplify right side
   1,770.18x = 2,404,291.98
5. Step 5: Solve for x
   x = 2,404,291.98/1,770.18
6. Step 6: Final answer
   x = 1,358.22