Finding the Fourth Proportional to 9,478.54, 14,219.84 and 3,636.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,478.54 : 14,219.84 = 3,636.82 : x
2. Step 2: Convert to fraction form
   9,478.54/14,219.84 = 3,636.82/x
3. Step 3: Cross multiply
   9,478.54x = 14,219.84 × 3,636.82
4. Step 4: Simplify right side
   9,478.54x = 51,714,998.51
5. Step 5: Solve for x
   x = 51,714,998.51/9,478.54
6. Step 6: Final answer
   x = 5,456.01