Finding the Fourth Proportional to 8,389.98, 11,573.82 and 5,031.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,389.98 : 11,573.82 = 5,031.18 : x
2. Step 2: Convert to fraction form
   8,389.98/11,573.82 = 5,031.18/x
3. Step 3: Cross multiply
   8,389.98x = 11,573.82 × 5,031.18
4. Step 4: Simplify right side
   8,389.98x = 58,229,971.71
5. Step 5: Solve for x
   x = 58,229,971.71/8,389.98
6. Step 6: Final answer
   x = 6,940.42