Finding the Fourth Proportional to 6,804.56, 10,216.56 and 3,886.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,804.56 : 10,216.56 = 3,886.40 : x
2. Step 2: Convert to fraction form
   6,804.56/10,216.56 = 3,886.40/x
3. Step 3: Cross multiply
   6,804.56x = 10,216.56 × 3,886.40
4. Step 4: Simplify right side
   6,804.56x = 39,705,638.78
5. Step 5: Solve for x
   x = 39,705,638.78/6,804.56
6. Step 6: Final answer
   x = 5,835.15