Finding the Fourth Proportional to 9,631.88, 13,291.82 and 5,383.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,631.88 : 13,291.82 = 5,383.02 : x
2. Step 2: Convert to fraction form
   9,631.88/13,291.82 = 5,383.02/x
3. Step 3: Cross multiply
   9,631.88x = 13,291.82 × 5,383.02
4. Step 4: Simplify right side
   9,631.88x = 71,550,132.90
5. Step 5: Solve for x
   x = 71,550,132.90/9,631.88
6. Step 6: Final answer
   x = 7,428.47