Finding the Fourth Proportional to 8,494.06, 12,736.41 and 5,828.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,494.06 : 12,736.41 = 5,828.71 : x
2. Step 2: Convert to fraction form
   8,494.06/12,736.41 = 5,828.71/x
3. Step 3: Cross multiply
   8,494.06x = 12,736.41 × 5,828.71
4. Step 4: Simplify right side
   8,494.06x = 74,236,840.33
5. Step 5: Solve for x
   x = 74,236,840.33/8,494.06
6. Step 6: Final answer
   x = 8,739.85