Finding the Fourth Proportional to 8,308.58, 12,443.04 and 4,791.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.58 : 12,443.04 = 4,791.17 : x
2. Step 2: Convert to fraction form
   8,308.58/12,443.04 = 4,791.17/x
3. Step 3: Cross multiply
   8,308.58x = 12,443.04 × 4,791.17
4. Step 4: Simplify right side
   8,308.58x = 59,616,751.06
5. Step 5: Solve for x
   x = 59,616,751.06/8,308.58
6. Step 6: Final answer
   x = 7,175.33