Finding the Fourth Proportional to 10,810.64, 16,217.98 and 3,416.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.64 : 16,217.98 = 3,416.96 : x
2. Step 2: Convert to fraction form
   10,810.64/16,217.98 = 3,416.96/x
3. Step 3: Cross multiply
   10,810.64x = 16,217.98 × 3,416.96
4. Step 4: Simplify right side
   10,810.64x = 55,416,099.31
5. Step 5: Solve for x
   x = 55,416,099.31/10,810.64
6. Step 6: Final answer
   x = 5,126.07