Finding the Fourth Proportional to 11,109.22, 16,613.08 and 8,300.00

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109.22 : 16,613.08 = 8,300.00 : x
2. Step 2: Convert to fraction form
   11,109.22/16,613.08 = 8,300.00/x
3. Step 3: Cross multiply
   11,109.22x = 16,613.08 × 8,300.00
4. Step 4: Simplify right side
   11,109.22x = 137,888,584.78
5. Step 5: Solve for x
   x = 137,888,584.78/11,109.22
6. Step 6: Final answer
   x = 12,412.09