Finding the Fourth Proportional to 10,969.20, 16,455.78 and 3,573

Step by Step Solution

1. Step 1: Write the proportion equation
   10,969.20 : 16,455.78 = 3,573 : x
2. Step 2: Convert to fraction form
   10,969.20/16,455.78 = 3,573/x
3. Step 3: Cross multiply
   10,969.20x = 16,455.78 × 3,573
4. Step 4: Simplify right side
   10,969.20x = 58,796,501.94
5. Step 5: Solve for x
   x = 58,796,501.94/10,969.20
6. Step 6: Final answer
   x = 5,360.14