Finding the Fourth Proportional to 9,390.72, 14,087.16 and 5,495.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,390.72 : 14,087.16 = 5,495.16 : x
2. Step 2: Convert to fraction form
   9,390.72/14,087.16 = 5,495.16/x
3. Step 3: Cross multiply
   9,390.72x = 14,087.16 × 5,495.16
4. Step 4: Simplify right side
   9,390.72x = 77,411,198.15
5. Step 5: Solve for x
   x = 77,411,198.15/9,390.72
6. Step 6: Final answer
   x = 8,243.37