Finding the Fourth Proportional to 8,768.74, 12,100.71 and 4,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,768.74 : 12,100.71 = 4,789.48 : x
2. Step 2: Convert to fraction form
   8,768.74/12,100.71 = 4,789.48/x
3. Step 3: Cross multiply
   8,768.74x = 12,100.71 × 4,789.48
4. Step 4: Simplify right side
   8,768.74x = 57,956,108.53
5. Step 5: Solve for x
   x = 57,956,108.53/8,768.74
6. Step 6: Final answer
   x = 6,609.40