Finding the Fourth Proportional to 11,289.72, 16,935.06 and 3,498.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,289.72 : 16,935.06 = 3,498.36 : x
2. Step 2: Convert to fraction form
   11,289.72/16,935.06 = 3,498.36/x
3. Step 3: Cross multiply
   11,289.72x = 16,935.06 × 3,498.36
4. Step 4: Simplify right side
   11,289.72x = 59,244,936.50
5. Step 5: Solve for x
   x = 59,244,936.50/11,289.72
6. Step 6: Final answer
   x = 5,247.69