Finding the Fourth Proportional to 9,162.30, 12,643.98 and 4,970.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.30 : 12,643.98 = 4,970.52 : x
2. Step 2: Convert to fraction form
   9,162.30/12,643.98 = 4,970.52/x
3. Step 3: Cross multiply
   9,162.30x = 12,643.98 × 4,970.52
4. Step 4: Simplify right side
   9,162.30x = 62,847,155.47
5. Step 5: Solve for x
   x = 62,847,155.47/9,162.30
6. Step 6: Final answer
   x = 6,859.32