Finding the Fourth Proportional to 11,189.38, 16,784.88 and 3,398.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,189.38 : 16,784.88 = 3,398.18 : x
2. Step 2: Convert to fraction form
   11,189.38/16,784.88 = 3,398.18/x
3. Step 3: Cross multiply
   11,189.38x = 16,784.88 × 3,398.18
4. Step 4: Simplify right side
   11,189.38x = 57,038,043.52
5. Step 5: Solve for x
   x = 57,038,043.52/11,189.38
6. Step 6: Final answer
   x = 5,097.52