Finding the Fourth Proportional to 9,162.57, 12,644.31 and 4,970.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.57 : 12,644.31 = 4,970.82 : x
2. Step 2: Convert to fraction form
   9,162.57/12,644.31 = 4,970.82/x
3. Step 3: Cross multiply
   9,162.57x = 12,644.31 × 4,970.82
4. Step 4: Simplify right side
   9,162.57x = 62,852,589.03
5. Step 5: Solve for x
   x = 62,852,589.03/9,162.57
6. Step 6: Final answer
   x = 6,859.71