Finding the Fourth Proportional to 9,383.98, 12,954.58 and 5,404.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.98 : 12,954.58 = 5,404.32 : x
2. Step 2: Convert to fraction form
   9,383.98/12,954.58 = 5,404.32/x
3. Step 3: Cross multiply
   9,383.98x = 12,954.58 × 5,404.32
4. Step 4: Simplify right side
   9,383.98x = 70,010,668.76
5. Step 5: Solve for x
   x = 70,010,668.76/9,383.98
6. Step 6: Final answer
   x = 7,460.66