Finding the Fourth Proportional to 7,061.42, 9,745.35 and 3,918.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,061.42 : 9,745.35 = 3,918.26 : x
2. Step 2: Convert to fraction form
   7,061.42/9,745.35 = 3,918.26/x
3. Step 3: Cross multiply
   7,061.42x = 9,745.35 × 3,918.26
4. Step 4: Simplify right side
   7,061.42x = 38,184,815.09
5. Step 5: Solve for x
   x = 38,184,815.09/7,061.42
6. Step 6: Final answer
   x = 5,407.53