Finding the Fourth Proportional to 9,337.82, 12,888.38 and 8,392.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.82 : 12,888.38 = 8,392.01 : x
2. Step 2: Convert to fraction form
   9,337.82/12,888.38 = 8,392.01/x
3. Step 3: Cross multiply
   9,337.82x = 12,888.38 × 8,392.01
4. Step 4: Simplify right side
   9,337.82x = 108,159,370.38
5. Step 5: Solve for x
   x = 108,159,370.38/9,337.82
6. Step 6: Final answer
   x = 11,582.94