Finding the Fourth Proportional to 1,403.21, 1,934.39 and 982.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403.21 : 1,934.39 = 982.25 : x
2. Step 2: Convert to fraction form
   1,403.21/1,934.39 = 982.25/x
3. Step 3: Cross multiply
   1,403.21x = 1,934.39 × 982.25
4. Step 4: Simplify right side
   1,403.21x = 1,900,039.99
5. Step 5: Solve for x
   x = 1,900,039.99/1,403.21
6. Step 6: Final answer
   x = 1,354.07