Finding the Fourth Proportional to 12,379.47, 17,081.85 and 7,073.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.47 : 17,081.85 = 7,073.25 : x
2. Step 2: Convert to fraction form
   12,379.47/17,081.85 = 7,073.25/x
3. Step 3: Cross multiply
   12,379.47x = 17,081.85 × 7,073.25
4. Step 4: Simplify right side
   12,379.47x = 120,824,195.51
5. Step 5: Solve for x
   x = 120,824,195.51/12,379.47
6. Step 6: Final answer
   x = 9,760.05