Finding the Fourth Proportional to 9,405.18, 14,097.78 and 3,159.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,405.18 : 14,097.78 = 3,159.54 : x
2. Step 2: Convert to fraction form
   9,405.18/14,097.78 = 3,159.54/x
3. Step 3: Cross multiply
   9,405.18x = 14,097.78 × 3,159.54
4. Step 4: Simplify right side
   9,405.18x = 44,542,499.82
5. Step 5: Solve for x
   x = 44,542,499.82/9,405.18
6. Step 6: Final answer
   x = 4,735.95