Finding the Fourth Proportional to 11,057.30, 16,564.08 and 5,196.14

Step by Step Solution

1. Step 1: Write the proportion equation
   11,057.30 : 16,564.08 = 5,196.14 : x
2. Step 2: Convert to fraction form
   11,057.30/16,564.08 = 5,196.14/x
3. Step 3: Cross multiply
   11,057.30x = 16,564.08 × 5,196.14
4. Step 4: Simplify right side
   11,057.30x = 86,069,339.55
5. Step 5: Solve for x
   x = 86,069,339.55/11,057.30
6. Step 6: Final answer
   x = 7,783.94