Finding the Fourth Proportional to 12,608.22, 18,915.37 and 3,842.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,608.22 : 18,915.37 = 3,842.61 : x
2. Step 2: Convert to fraction form
   12,608.22/18,915.37 = 3,842.61/x
3. Step 3: Cross multiply
   12,608.22x = 18,915.37 × 3,842.61
4. Step 4: Simplify right side
   12,608.22x = 72,684,389.92
5. Step 5: Solve for x
   x = 72,684,389.92/12,608.22
6. Step 6: Final answer
   x = 5,764.84