Finding the Fourth Proportional to 8,162.17, 12,242.37 and 2,619.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162.17 : 12,242.37 = 2,619.47 : x
2. Step 2: Convert to fraction form
   8,162.17/12,242.37 = 2,619.47/x
3. Step 3: Cross multiply
   8,162.17x = 12,242.37 × 2,619.47
4. Step 4: Simplify right side
   8,162.17x = 32,068,561.37
5. Step 5: Solve for x
   x = 32,068,561.37/8,162.17
6. Step 6: Final answer
   x = 3,928.93