Finding the Fourth Proportional to 13,262.03, 19,880.69 and 9,104.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,262.03 : 19,880.69 = 9,104.00 : x
2. Step 2: Convert to fraction form
   13,262.03/19,880.69 = 9,104.00/x
3. Step 3: Cross multiply
   13,262.03x = 19,880.69 × 9,104.00
4. Step 4: Simplify right side
   13,262.03x = 180,993,828.41
5. Step 5: Solve for x
   x = 180,993,828.41/13,262.03
6. Step 6: Final answer
   x = 13,647.52