Finding the Fourth Proportional to 8,379.60, 12,552.24 and 3,983.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,379.60 : 12,552.24 = 3,983.76 : x
2. Step 2: Convert to fraction form
   8,379.60/12,552.24 = 3,983.76/x
3. Step 3: Cross multiply
   8,379.60x = 12,552.24 × 3,983.76
4. Step 4: Simplify right side
   8,379.60x = 50,005,111.62
5. Step 5: Solve for x
   x = 50,005,111.62/8,379.60
6. Step 6: Final answer
   x = 5,967.48