Finding the Fourth Proportional to 8,789.49, 12,127.56 and 5,011.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789.49 : 12,127.56 = 5,011.59 : x
2. Step 2: Convert to fraction form
   8,789.49/12,127.56 = 5,011.59/x
3. Step 3: Cross multiply
   8,789.49x = 12,127.56 × 5,011.59
4. Step 4: Simplify right side
   8,789.49x = 60,778,358.42
5. Step 5: Solve for x
   x = 60,778,358.42/8,789.49
6. Step 6: Final answer
   x = 6,914.89