Finding the Fourth Proportional to 13,028.04, 17,964.14 and 9,435.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,028.04 : 17,964.14 = 9,435.89 : x
2. Step 2: Convert to fraction form
   13,028.04/17,964.14 = 9,435.89/x
3. Step 3: Cross multiply
   13,028.04x = 17,964.14 × 9,435.89
4. Step 4: Simplify right side
   13,028.04x = 169,507,646.72
5. Step 5: Solve for x
   x = 169,507,646.72/13,028.04
6. Step 6: Final answer
   x = 13,010.99