Finding the Fourth Proportional to 8,443.17, 11,653.45 and 4,908.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.17 : 11,653.45 = 4,908.42 : x
2. Step 2: Convert to fraction form
   8,443.17/11,653.45 = 4,908.42/x
3. Step 3: Cross multiply
   8,443.17x = 11,653.45 × 4,908.42
4. Step 4: Simplify right side
   8,443.17x = 57,200,014.78
5. Step 5: Solve for x
   x = 57,200,014.78/8,443.17
6. Step 6: Final answer
   x = 6,774.71