Finding the Fourth Proportional to 13,379.59, 18,469.92 and 9,554.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,379.59 : 18,469.92 = 9,554.10 : x
2. Step 2: Convert to fraction form
   13,379.59/18,469.92 = 9,554.10/x
3. Step 3: Cross multiply
   13,379.59x = 18,469.92 × 9,554.10
4. Step 4: Simplify right side
   13,379.59x = 176,463,462.67
5. Step 5: Solve for x
   x = 176,463,462.67/13,379.59
6. Step 6: Final answer
   x = 13,189.00