Finding the Fourth Proportional to 9,451.96, 14,178.94 and 3,905.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,451.96 : 14,178.94 = 3,905.72 : x
2. Step 2: Convert to fraction form
   9,451.96/14,178.94 = 3,905.72/x
3. Step 3: Cross multiply
   9,451.96x = 14,178.94 × 3,905.72
4. Step 4: Simplify right side
   9,451.96x = 55,378,969.54
5. Step 5: Solve for x
   x = 55,378,969.54/9,451.96
6. Step 6: Final answer
   x = 5,858.99