Finding the Fourth Proportional to 8,815.30, 13,227.59 and 3,888.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,815.30 : 13,227.59 = 3,888.34 : x
2. Step 2: Convert to fraction form
   8,815.30/13,227.59 = 3,888.34/x
3. Step 3: Cross multiply
   8,815.30x = 13,227.59 × 3,888.34
4. Step 4: Simplify right side
   8,815.30x = 51,433,343.95
5. Step 5: Solve for x
   x = 51,433,343.95/8,815.30
6. Step 6: Final answer
   x = 5,834.56