Finding the Fourth Proportional to 9,844.20, 14,763.78 and 3,518.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,844.20 : 14,763.78 = 3,518.10 : x
2. Step 2: Convert to fraction form
   9,844.20/14,763.78 = 3,518.10/x
3. Step 3: Cross multiply
   9,844.20x = 14,763.78 × 3,518.10
4. Step 4: Simplify right side
   9,844.20x = 51,940,454.42
5. Step 5: Solve for x
   x = 51,940,454.42/9,844.20
6. Step 6: Final answer
   x = 5,276.25