Finding the Fourth Proportional to 8,145.44, 12,212.68 and 3,760.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,145.44 : 12,212.68 = 3,760.48 : x
2. Step 2: Convert to fraction form
   8,145.44/12,212.68 = 3,760.48/x
3. Step 3: Cross multiply
   8,145.44x = 12,212.68 × 3,760.48
4. Step 4: Simplify right side
   8,145.44x = 45,925,538.89
5. Step 5: Solve for x
   x = 45,925,538.89/8,145.44
6. Step 6: Final answer
   x = 5,638.19