Finding the Fourth Proportional to 12,382.81, 17,085.33 and 7,005.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,382.81 : 17,085.33 = 7,005.37 : x
2. Step 2: Convert to fraction form
   12,382.81/17,085.33 = 7,005.37/x
3. Step 3: Cross multiply
   12,382.81x = 17,085.33 × 7,005.37
4. Step 4: Simplify right side
   12,382.81x = 119,689,058.22
5. Step 5: Solve for x
   x = 119,689,058.22/12,382.81
6. Step 6: Final answer
   x = 9,665.74