Finding the Fourth Proportional to 10,903.50, 16,357.37 and 3,508.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,903.50 : 16,357.37 = 3,508.07 : x
2. Step 2: Convert to fraction form
   10,903.50/16,357.37 = 3,508.07/x
3. Step 3: Cross multiply
   10,903.50x = 16,357.37 × 3,508.07
4. Step 4: Simplify right side
   10,903.50x = 57,382,699.65
5. Step 5: Solve for x
   x = 57,382,699.65/10,903.50
6. Step 6: Final answer
   x = 5,262.78