Finding the Fourth Proportional to 9,279.08, 12,805.50 and 5,087.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.08 : 12,805.50 = 5,087.48 : x
2. Step 2: Convert to fraction form
   9,279.08/12,805.50 = 5,087.48/x
3. Step 3: Cross multiply
   9,279.08x = 12,805.50 × 5,087.48
4. Step 4: Simplify right side
   9,279.08x = 65,147,725.14
5. Step 5: Solve for x
   x = 65,147,725.14/9,279.08
6. Step 6: Final answer
   x = 7,020.93