Finding the Fourth Proportional to 10,823.52, 16,205.37 and 5,547.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,823.52 : 16,205.37 = 5,547.15 : x
2. Step 2: Convert to fraction form
   10,823.52/16,205.37 = 5,547.15/x
3. Step 3: Cross multiply
   10,823.52x = 16,205.37 × 5,547.15
4. Step 4: Simplify right side
   10,823.52x = 89,893,618.20
5. Step 5: Solve for x
   x = 89,893,618.20/10,823.52
6. Step 6: Final answer
   x = 8,305.40