Finding the Fourth Proportional to 9,488.45, 13,093.98 and 5,239.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.45 : 13,093.98 = 5,239.77 : x
2. Step 2: Convert to fraction form
   9,488.45/13,093.98 = 5,239.77/x
3. Step 3: Cross multiply
   9,488.45x = 13,093.98 × 5,239.77
4. Step 4: Simplify right side
   9,488.45x = 68,609,443.58
5. Step 5: Solve for x
   x = 68,609,443.58/9,488.45
6. Step 6: Final answer
   x = 7,230.84