Finding the Fourth Proportional to 9,631.67, 13,291.56 and 5,382.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,631.67 : 13,291.56 = 5,382.83 : x
2. Step 2: Convert to fraction form
   9,631.67/13,291.56 = 5,382.83/x
3. Step 3: Cross multiply
   9,631.67x = 13,291.56 × 5,382.83
4. Step 4: Simplify right side
   9,631.67x = 71,546,207.91
5. Step 5: Solve for x
   x = 71,546,207.91/9,631.67
6. Step 6: Final answer
   x = 7,428.22