Finding the Fourth Proportional to 11,097.30, 16,643.55 and 4,857.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,097.30 : 16,643.55 = 4,857.30 : x
2. Step 2: Convert to fraction form
   11,097.30/16,643.55 = 4,857.30/x
3. Step 3: Cross multiply
   11,097.30x = 16,643.55 × 4,857.30
4. Step 4: Simplify right side
   11,097.30x = 80,842,715.42
5. Step 5: Solve for x
   x = 80,842,715.42/11,097.30
6. Step 6: Final answer
   x = 7,284.90