Finding the Fourth Proportional to 9,142.56, 13,705.20 and 3,952.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.56 : 13,705.20 = 3,952.08 : x
2. Step 2: Convert to fraction form
   9,142.56/13,705.20 = 3,952.08/x
3. Step 3: Cross multiply
   9,142.56x = 13,705.20 × 3,952.08
4. Step 4: Simplify right side
   9,142.56x = 54,164,046.82
5. Step 5: Solve for x
   x = 54,164,046.82/9,142.56
6. Step 6: Final answer
   x = 5,924.39