Finding the Fourth Proportional to 13,009.69, 19,514.59 and 3,148.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009.69 : 19,514.59 = 3,148.96 : x
2. Step 2: Convert to fraction form
   13,009.69/19,514.59 = 3,148.96/x
3. Step 3: Cross multiply
   13,009.69x = 19,514.59 × 3,148.96
4. Step 4: Simplify right side
   13,009.69x = 61,450,550.01
5. Step 5: Solve for x
   x = 61,450,550.01/13,009.69
6. Step 6: Final answer
   x = 4,723.44