Finding the Fourth Proportional to 9,516.72, 13,137.84 and 5,981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,516.72 : 13,137.84 = 5,981.88 : x
2. Step 2: Convert to fraction form
   9,516.72/13,137.84 = 5,981.88/x
3. Step 3: Cross multiply
   9,516.72x = 13,137.84 × 5,981.88
4. Step 4: Simplify right side
   9,516.72x = 78,588,982.34
5. Step 5: Solve for x
   x = 78,588,982.34/9,516.72
6. Step 6: Final answer
   x = 8,257.99