Finding the Fourth Proportional to 11,399.67, 17,097.33 and 4,830.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,399.67 : 17,097.33 = 4,830.47 : x
2. Step 2: Convert to fraction form
   11,399.67/17,097.33 = 4,830.47/x
3. Step 3: Cross multiply
   11,399.67x = 17,097.33 × 4,830.47
4. Step 4: Simplify right side
   11,399.67x = 82,588,139.65
5. Step 5: Solve for x
   x = 82,588,139.65/11,399.67
6. Step 6: Final answer
   x = 7,244.78