Finding the Fourth Proportional to 10,900.31, 16,348.91 and 3,505.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900.31 : 16,348.91 = 3,505.41 : x
2. Step 2: Convert to fraction form
   10,900.31/16,348.91 = 3,505.41/x
3. Step 3: Cross multiply
   10,900.31x = 16,348.91 × 3,505.41
4. Step 4: Simplify right side
   10,900.31x = 57,309,615.08
5. Step 5: Solve for x
   x = 57,309,615.08/10,900.31
6. Step 6: Final answer
   x = 5,257.62