Finding the Fourth Proportional to 11,190.42, 16,784.52 and 3,399.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,190.42 : 16,784.52 = 3,399.30 : x
2. Step 2: Convert to fraction form
   11,190.42/16,784.52 = 3,399.30/x
3. Step 3: Cross multiply
   11,190.42x = 16,784.52 × 3,399.30
4. Step 4: Simplify right side
   11,190.42x = 57,055,618.84
5. Step 5: Solve for x
   x = 57,055,618.84/11,190.42
6. Step 6: Final answer
   x = 5,098.61