Finding the Fourth Proportional to 11,225.50, 16,833.37 and 3,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,225.50 : 16,833.37 = 3,218.50 : x
2. Step 2: Convert to fraction form
   11,225.50/16,833.37 = 3,218.50/x
3. Step 3: Cross multiply
   11,225.50x = 16,833.37 × 3,218.50
4. Step 4: Simplify right side
   11,225.50x = 54,178,214.34
5. Step 5: Solve for x
   x = 54,178,214.34/11,225.50
6. Step 6: Final answer
   x = 4,826.35