Finding the Fourth Proportional to 8,006.08, 12,012.72 and 5,083.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,006.08 : 12,012.72 = 5,083.60 : x
2. Step 2: Convert to fraction form
   8,006.08/12,012.72 = 5,083.60/x
3. Step 3: Cross multiply
   8,006.08x = 12,012.72 × 5,083.60
4. Step 4: Simplify right side
   8,006.08x = 61,067,863.39
5. Step 5: Solve for x
   x = 61,067,863.39/8,006.08
6. Step 6: Final answer
   x = 7,627.69