Finding the Fourth Proportional to 9,383.67, 12,949.09 and 5,404.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.67 : 12,949.09 = 5,404.91 : x
2. Step 2: Convert to fraction form
   9,383.67/12,949.09 = 5,404.91/x
3. Step 3: Cross multiply
   9,383.67x = 12,949.09 × 5,404.91
4. Step 4: Simplify right side
   9,383.67x = 69,988,587.77
5. Step 5: Solve for x
   x = 69,988,587.77/9,383.67
6. Step 6: Final answer
   x = 7,458.55