Finding the Fourth Proportional to 13,005.58, 17,949.36 and 8,533.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.58 : 17,949.36 = 8,533.12 : x
2. Step 2: Convert to fraction form
   13,005.58/17,949.36 = 8,533.12/x
3. Step 3: Cross multiply
   13,005.58x = 17,949.36 × 8,533.12
4. Step 4: Simplify right side
   13,005.58x = 153,164,042.80
5. Step 5: Solve for x
   x = 153,164,042.80/13,005.58
6. Step 6: Final answer
   x = 11,776.79