Finding the Fourth Proportional to 9,631.51, 13,290.17 and 5,382.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,631.51 : 13,290.17 = 5,382.37 : x
2. Step 2: Convert to fraction form
   9,631.51/13,290.17 = 5,382.37/x
3. Step 3: Cross multiply
   9,631.51x = 13,290.17 × 5,382.37
4. Step 4: Simplify right side
   9,631.51x = 71,532,594.28
5. Step 5: Solve for x
   x = 71,532,594.28/9,631.51
6. Step 6: Final answer
   x = 7,426.93