Finding the Fourth Proportional to 11,865.69, 17,798.13 and 5,628.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,865.69 : 17,798.13 = 5,628.69 : x
2. Step 2: Convert to fraction form
   11,865.69/17,798.13 = 5,628.69/x
3. Step 3: Cross multiply
   11,865.69x = 17,798.13 × 5,628.69
4. Step 4: Simplify right side
   11,865.69x = 100,180,156.35
5. Step 5: Solve for x
   x = 100,180,156.35/11,865.69
6. Step 6: Final answer
   x = 8,442.84