Finding the Fourth Proportional to 13,007.07, 17,949.77 and 9,030.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,007.07 : 17,949.77 = 9,030.49 : x
2. Step 2: Convert to fraction form
   13,007.07/17,949.77 = 9,030.49/x
3. Step 3: Cross multiply
   13,007.07x = 17,949.77 × 9,030.49
4. Step 4: Simplify right side
   13,007.07x = 162,095,128.46
5. Step 5: Solve for x
   x = 162,095,128.46/13,007.07
6. Step 6: Final answer
   x = 12,462.08