Finding the Fourth Proportional to 9,005.07, 13,507.57 and 3,081.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.07 : 13,507.57 = 3,081.97 : x
2. Step 2: Convert to fraction form
   9,005.07/13,507.57 = 3,081.97/x
3. Step 3: Cross multiply
   9,005.07x = 13,507.57 × 3,081.97
4. Step 4: Simplify right side
   9,005.07x = 41,629,946.25
5. Step 5: Solve for x
   x = 41,629,946.25/9,005.07
6. Step 6: Final answer
   x = 4,622.94