Finding the Fourth Proportional to 1,770.07, 2,442.72 and 984.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.07 : 2,442.72 = 984.19 : x
2. Step 2: Convert to fraction form
   1,770.07/2,442.72 = 984.19/x
3. Step 3: Cross multiply
   1,770.07x = 2,442.72 × 984.19
4. Step 4: Simplify right side
   1,770.07x = 2,404,100.60
5. Step 5: Solve for x
   x = 2,404,100.60/1,770.07
6. Step 6: Final answer
   x = 1,358.20