Finding the Fourth Proportional to 12,390.00, 17,093.33 and 7,081.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,390.00 : 17,093.33 = 7,081.97 : x
2. Step 2: Convert to fraction form
   12,390.00/17,093.33 = 7,081.97/x
3. Step 3: Cross multiply
   12,390.00x = 17,093.33 × 7,081.97
4. Step 4: Simplify right side
   12,390.00x = 121,054,355.94
5. Step 5: Solve for x
   x = 121,054,355.94/12,390.00
6. Step 6: Final answer
   x = 9,770.33