Finding the Fourth Proportional to 11,189.48, 16,786.34 and 5,346.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,189.48 : 16,786.34 = 5,346.52 : x
2. Step 2: Convert to fraction form
   11,189.48/16,786.34 = 5,346.52/x
3. Step 3: Cross multiply
   11,189.48x = 16,786.34 × 5,346.52
4. Step 4: Simplify right side
   11,189.48x = 89,748,502.54
5. Step 5: Solve for x
   x = 89,748,502.54/11,189.48
6. Step 6: Final answer
   x = 8,020.79