Finding the Fourth Proportional to 2,969.40, 4,453.49 and 1,021.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,969.40 : 4,453.49 = 1,021.76 : x
2. Step 2: Convert to fraction form
   2,969.40/4,453.49 = 1,021.76/x
3. Step 3: Cross multiply
   2,969.40x = 4,453.49 × 1,021.76
4. Step 4: Simplify right side
   2,969.40x = 4,550,378.23
5. Step 5: Solve for x
   x = 4,550,378.23/2,969.40
6. Step 6: Final answer
   x = 1,532.42