Finding the Fourth Proportional to 9,356.86, 14,028.72 and 3,808.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,356.86 : 14,028.72 = 3,808.54 : x
2. Step 2: Convert to fraction form
   9,356.86/14,028.72 = 3,808.54/x
3. Step 3: Cross multiply
   9,356.86x = 14,028.72 × 3,808.54
4. Step 4: Simplify right side
   9,356.86x = 53,428,941.27
5. Step 5: Solve for x
   x = 53,428,941.27/9,356.86
6. Step 6: Final answer
   x = 5,710.14