Finding the Fourth Proportional to 7,034.82, 9,707.78 and 3,891.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,034.82 : 9,707.78 = 3,891.06 : x
2. Step 2: Convert to fraction form
   7,034.82/9,707.78 = 3,891.06/x
3. Step 3: Cross multiply
   7,034.82x = 9,707.78 × 3,891.06
4. Step 4: Simplify right side
   7,034.82x = 37,773,554.45
5. Step 5: Solve for x
   x = 37,773,554.45/7,034.82
6. Step 6: Final answer
   x = 5,369.51