Finding the Fourth Proportional to 12,981, 17,913.98 and 7,676.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,981 : 17,913.98 = 7,676.32 : x
2. Step 2: Convert to fraction form
   12,981/17,913.98 = 7,676.32/x
3. Step 3: Cross multiply
   12,981x = 17,913.98 × 7,676.32
4. Step 4: Simplify right side
   12,981x = 137,513,442.95
5. Step 5: Solve for x
   x = 137,513,442.95/12,981
6. Step 6: Final answer
   x = 10,593.44