Finding the Fourth Proportional to 8,326.91, 12,494.43 and 3,646.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,326.91 : 12,494.43 = 3,646.28 : x
2. Step 2: Convert to fraction form
   8,326.91/12,494.43 = 3,646.28/x
3. Step 3: Cross multiply
   8,326.91x = 12,494.43 × 3,646.28
4. Step 4: Simplify right side
   8,326.91x = 45,558,127.75
5. Step 5: Solve for x
   x = 45,558,127.75/8,326.91
6. Step 6: Final answer
   x = 5,471.20