Finding the Fourth Proportional to 10,972.08, 16,453.98 and 3,574.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,972.08 : 16,453.98 = 3,574.80 : x
2. Step 2: Convert to fraction form
   10,972.08/16,453.98 = 3,574.80/x
3. Step 3: Cross multiply
   10,972.08x = 16,453.98 × 3,574.80
4. Step 4: Simplify right side
   10,972.08x = 58,819,687.70
5. Step 5: Solve for x
   x = 58,819,687.70/10,972.08
6. Step 6: Final answer
   x = 5,360.85