Finding the Fourth Proportional to 9,481.68, 13,085.46 and 5,290.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,481.68 : 13,085.46 = 5,290.56 : x
2. Step 2: Convert to fraction form
   9,481.68/13,085.46 = 5,290.56/x
3. Step 3: Cross multiply
   9,481.68x = 13,085.46 × 5,290.56
4. Step 4: Simplify right side
   9,481.68x = 69,229,411.26
5. Step 5: Solve for x
   x = 69,229,411.26/9,481.68
6. Step 6: Final answer
   x = 7,301.39