Finding the Fourth Proportional to 8,647.82, 12,962.01 and 3,719.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,647.82 : 12,962.01 = 3,719.78 : x
2. Step 2: Convert to fraction form
   8,647.82/12,962.01 = 3,719.78/x
3. Step 3: Cross multiply
   8,647.82x = 12,962.01 × 3,719.78
4. Step 4: Simplify right side
   8,647.82x = 48,215,825.56
5. Step 5: Solve for x
   x = 48,215,825.56/8,647.82
6. Step 6: Final answer
   x = 5,575.49