Finding the Fourth Proportional to 8,803.56, 13,196.31 and 3,872.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,803.56 : 13,196.31 = 3,872.28 : x
2. Step 2: Convert to fraction form
   8,803.56/13,196.31 = 3,872.28/x
3. Step 3: Cross multiply
   8,803.56x = 13,196.31 × 3,872.28
4. Step 4: Simplify right side
   8,803.56x = 51,099,741.31
5. Step 5: Solve for x
   x = 51,099,741.31/8,803.56
6. Step 6: Final answer
   x = 5,804.44