Finding the Fourth Proportional to 11,190.30, 16,784.72 and 3,399.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,190.30 : 16,784.72 = 3,399.18 : x
2. Step 2: Convert to fraction form
   11,190.30/16,784.72 = 3,399.18/x
3. Step 3: Cross multiply
   11,190.30x = 16,784.72 × 3,399.18
4. Step 4: Simplify right side
   11,190.30x = 57,054,200.61
5. Step 5: Solve for x
   x = 57,054,200.61/11,190.30
6. Step 6: Final answer
   x = 5,098.54