Finding the Fourth Proportional to 6,484.29, 8,944.78 and 5,643.51

Step by Step Solution

1. Step 1: Write the proportion equation
   6,484.29 : 8,944.78 = 5,643.51 : x
2. Step 2: Convert to fraction form
   6,484.29/8,944.78 = 5,643.51/x
3. Step 3: Cross multiply
   6,484.29x = 8,944.78 × 5,643.51
4. Step 4: Simplify right side
   6,484.29x = 50,479,918.31
5. Step 5: Solve for x
   x = 50,479,918.31/6,484.29
6. Step 6: Final answer
   x = 7,784.96