Finding the Fourth Proportional to 9,288.25, 13,951.64 and 7,511.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.25 : 13,951.64 = 7,511.31 : x
2. Step 2: Convert to fraction form
   9,288.25/13,951.64 = 7,511.31/x
3. Step 3: Cross multiply
   9,288.25x = 13,951.64 × 7,511.31
4. Step 4: Simplify right side
   9,288.25x = 104,795,111.83
5. Step 5: Solve for x
   x = 104,795,111.83/9,288.25
6. Step 6: Final answer
   x = 11,282.55