Finding the Fourth Proportional to 12,491.03, 17,238.14 and 7,185.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,491.03 : 17,238.14 = 7,185.84 : x
2. Step 2: Convert to fraction form
   12,491.03/17,238.14 = 7,185.84/x
3. Step 3: Cross multiply
   12,491.03x = 17,238.14 × 7,185.84
4. Step 4: Simplify right side
   12,491.03x = 123,870,480.01
5. Step 5: Solve for x
   x = 123,870,480.01/12,491.03
6. Step 6: Final answer
   x = 9,916.76