Finding the Fourth Proportional to 8,988.27, 12,404.20 and 5,009.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,988.27 : 12,404.20 = 5,009.38 : x
2. Step 2: Convert to fraction form
   8,988.27/12,404.20 = 5,009.38/x
3. Step 3: Cross multiply
   8,988.27x = 12,404.20 × 5,009.38
4. Step 4: Simplify right side
   8,988.27x = 62,137,384.37
5. Step 5: Solve for x
   x = 62,137,384.37/8,988.27
6. Step 6: Final answer
   x = 6,913.16