Finding the Fourth Proportional to 10,196.94, 15,301.12 and 5,516.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.94 : 15,301.12 = 5,516.86 : x
2. Step 2: Convert to fraction form
   10,196.94/15,301.12 = 5,516.86/x
3. Step 3: Cross multiply
   10,196.94x = 15,301.12 × 5,516.86
4. Step 4: Simplify right side
   10,196.94x = 84,414,136.88
5. Step 5: Solve for x
   x = 84,414,136.88/10,196.94
6. Step 6: Final answer
   x = 8,278.38