Finding the Fourth Proportional to 5,453.76, 8,185.56 and 5,103.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,453.76 : 8,185.56 = 5,103.84 : x
2. Step 2: Convert to fraction form
   5,453.76/8,185.56 = 5,103.84/x
3. Step 3: Cross multiply
   5,453.76x = 8,185.56 × 5,103.84
4. Step 4: Simplify right side
   5,453.76x = 41,777,788.55
5. Step 5: Solve for x
   x = 41,777,788.55/5,453.76
6. Step 6: Final answer
   x = 7,660.36