Finding the Fourth Proportional to 7,041.15, 9,717.09 and 3,897.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,041.15 : 9,717.09 = 3,897.34 : x
2. Step 2: Convert to fraction form
   7,041.15/9,717.09 = 3,897.34/x
3. Step 3: Cross multiply
   7,041.15x = 9,717.09 × 3,897.34
4. Step 4: Simplify right side
   7,041.15x = 37,870,779.25
5. Step 5: Solve for x
   x = 37,870,779.25/7,041.15
6. Step 6: Final answer
   x = 5,378.49