Finding the Fourth Proportional to 9,393.69, 12,962.39 and 5,616.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.69 : 12,962.39 = 5,616.11 : x
2. Step 2: Convert to fraction form
   9,393.69/12,962.39 = 5,616.11/x
3. Step 3: Cross multiply
   9,393.69x = 12,962.39 × 5,616.11
4. Step 4: Simplify right side
   9,393.69x = 72,798,115.21
5. Step 5: Solve for x
   x = 72,798,115.21/9,393.69
6. Step 6: Final answer
   x = 7,749.68