Finding the Fourth Proportional to 10,912.37, 16,371.08 and 3,415.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,912.37 : 16,371.08 = 3,415.51 : x
2. Step 2: Convert to fraction form
   10,912.37/16,371.08 = 3,415.51/x
3. Step 3: Cross multiply
   10,912.37x = 16,371.08 × 3,415.51
4. Step 4: Simplify right side
   10,912.37x = 55,915,488.52
5. Step 5: Solve for x
   x = 55,915,488.52/10,912.37
6. Step 6: Final answer
   x = 5,124.05