Finding the Fourth Proportional to 8,374.86, 12,557.97 and 3,443.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,374.86 : 12,557.97 = 3,443.58 : x
2. Step 2: Convert to fraction form
   8,374.86/12,557.97 = 3,443.58/x
3. Step 3: Cross multiply
   8,374.86x = 12,557.97 × 3,443.58
4. Step 4: Simplify right side
   8,374.86x = 43,244,374.33
5. Step 5: Solve for x
   x = 43,244,374.33/8,374.86
6. Step 6: Final answer
   x = 5,163.59