Finding the Fourth Proportional to 8,785.89, 13,184.01 and 3,243.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,785.89 : 13,184.01 = 3,243.09 : x
2. Step 2: Convert to fraction form
   8,785.89/13,184.01 = 3,243.09/x
3. Step 3: Cross multiply
   8,785.89x = 13,184.01 × 3,243.09
4. Step 4: Simplify right side
   8,785.89x = 42,756,930.99
5. Step 5: Solve for x
   x = 42,756,930.99/8,785.89
6. Step 6: Final answer
   x = 4,866.55