Finding the Fourth Proportional to 7,385.83, 11,086.05 and 3,228.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,385.83 : 11,086.05 = 3,228.71 : x
2. Step 2: Convert to fraction form
   7,385.83/11,086.05 = 3,228.71/x
3. Step 3: Cross multiply
   7,385.83x = 11,086.05 × 3,228.71
4. Step 4: Simplify right side
   7,385.83x = 35,793,641.37
5. Step 5: Solve for x
   x = 35,793,641.37/7,385.83
6. Step 6: Final answer
   x = 4,846.26