Finding the Fourth Proportional to 8,651.94, 12,976.32 and 3,030.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,651.94 : 12,976.32 = 3,030.42 : x
2. Step 2: Convert to fraction form
   8,651.94/12,976.32 = 3,030.42/x
3. Step 3: Cross multiply
   8,651.94x = 12,976.32 × 3,030.42
4. Step 4: Simplify right side
   8,651.94x = 39,323,699.65
5. Step 5: Solve for x
   x = 39,323,699.65/8,651.94
6. Step 6: Final answer
   x = 4,545.07