Finding the Fourth Proportional to 6,412.22, 8,848.59 and 3,579.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,412.22 : 8,848.59 = 3,579.72 : x
2. Step 2: Convert to fraction form
   6,412.22/8,848.59 = 3,579.72/x
3. Step 3: Cross multiply
   6,412.22x = 8,848.59 × 3,579.72
4. Step 4: Simplify right side
   6,412.22x = 31,675,474.59
5. Step 5: Solve for x
   x = 31,675,474.59/6,412.22
6. Step 6: Final answer
   x = 4,939.86