Finding the Fourth Proportional to 8,789.12, 12,124.47 and 5,955.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789.12 : 12,124.47 = 5,955.54 : x
2. Step 2: Convert to fraction form
   8,789.12/12,124.47 = 5,955.54/x
3. Step 3: Cross multiply
   8,789.12x = 12,124.47 × 5,955.54
4. Step 4: Simplify right side
   8,789.12x = 72,207,675.66
5. Step 5: Solve for x
   x = 72,207,675.66/8,789.12
6. Step 6: Final answer
   x = 8,215.58