Finding the Fourth Proportional to 3,453.71, 5,180.69 and 1,962.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,453.71 : 5,180.69 = 1,962.29 : x
2. Step 2: Convert to fraction form
   3,453.71/5,180.69 = 1,962.29/x
3. Step 3: Cross multiply
   3,453.71x = 5,180.69 × 1,962.29
4. Step 4: Simplify right side
   3,453.71x = 10,166,034.04
5. Step 5: Solve for x
   x = 10,166,034.04/3,453.71
6. Step 6: Final answer
   x = 2,943.52