Finding the Fourth Proportional to 7,061.96, 9,745.67 and 3,918.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.96 : 9,745.67 = 3,918.35 : x
2. Step 2: Convert to fraction form
   7,061.96/9,745.67 = 3,918.35/x
3. Step 3: Cross multiply
   7,061.96x = 9,745.67 × 3,918.35
4. Step 4: Simplify right side
   7,061.96x = 38,186,946.04
5. Step 5: Solve for x
   x = 38,186,946.04/7,061.96
6. Step 6: Final answer
   x = 5,407.41