Finding the Fourth Proportional to 10,971.75, 16,457.82 and 3,576.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.75 : 16,457.82 = 3,576.18 : x
2. Step 2: Convert to fraction form
   10,971.75/16,457.82 = 3,576.18/x
3. Step 3: Cross multiply
   10,971.75x = 16,457.82 × 3,576.18
4. Step 4: Simplify right side
   10,971.75x = 58,856,126.73
5. Step 5: Solve for x
   x = 58,856,126.73/10,971.75
6. Step 6: Final answer
   x = 5,364.33