Finding the Fourth Proportional to 8,550.86, 12,828.12 and 3,003.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,550.86 : 12,828.12 = 3,003.98 : x
2. Step 2: Convert to fraction form
   8,550.86/12,828.12 = 3,003.98/x
3. Step 3: Cross multiply
   8,550.86x = 12,828.12 × 3,003.98
4. Step 4: Simplify right side
   8,550.86x = 38,535,415.92
5. Step 5: Solve for x
   x = 38,535,415.92/8,550.86
6. Step 6: Final answer
   x = 4,506.61