Finding the Fourth Proportional to 10,996.34, 16,484.49 and 5,725.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,996.34 : 16,484.49 = 5,725.15 : x
2. Step 2: Convert to fraction form
   10,996.34/16,484.49 = 5,725.15/x
3. Step 3: Cross multiply
   10,996.34x = 16,484.49 × 5,725.15
4. Step 4: Simplify right side
   10,996.34x = 94,376,136.71
5. Step 5: Solve for x
   x = 94,376,136.71/10,996.34
6. Step 6: Final answer
   x = 8,582.51