Finding the Fourth Proportional to 12,389.22, 17,097.64 and 7,084.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.22 : 17,097.64 = 7,084.03 : x
2. Step 2: Convert to fraction form
   12,389.22/17,097.64 = 7,084.03/x
3. Step 3: Cross multiply
   12,389.22x = 17,097.64 × 7,084.03
4. Step 4: Simplify right side
   12,389.22x = 121,120,194.69
5. Step 5: Solve for x
   x = 121,120,194.69/12,389.22
6. Step 6: Final answer
   x = 9,776.26