Finding the Fourth Proportional to 10,491.21, 15,733.31 and 3,564.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,491.21 : 15,733.31 = 3,564.09 : x
2. Step 2: Convert to fraction form
   10,491.21/15,733.31 = 3,564.09/x
3. Step 3: Cross multiply
   10,491.21x = 15,733.31 × 3,564.09
4. Step 4: Simplify right side
   10,491.21x = 56,074,915.02
5. Step 5: Solve for x
   x = 56,074,915.02/10,491.21
6. Step 6: Final answer
   x = 5,344.94