Finding the Fourth Proportional to 12,456.22, 18,674.16 and 5,796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.22 : 18,674.16 = 5,796.88 : x
2. Step 2: Convert to fraction form
   12,456.22/18,674.16 = 5,796.88/x
3. Step 3: Cross multiply
   12,456.22x = 18,674.16 × 5,796.88
4. Step 4: Simplify right side
   12,456.22x = 108,251,909.39
5. Step 5: Solve for x
   x = 108,251,909.39/12,456.22
6. Step 6: Final answer
   x = 8,690.59