Finding the Fourth Proportional to 9,481.98, 13,085.06 and 5,290.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,481.98 : 13,085.06 = 5,290.22 : x
2. Step 2: Convert to fraction form
   9,481.98/13,085.06 = 5,290.22/x
3. Step 3: Cross multiply
   9,481.98x = 13,085.06 × 5,290.22
4. Step 4: Simplify right side
   9,481.98x = 69,222,846.11
5. Step 5: Solve for x
   x = 69,222,846.11/9,481.98
6. Step 6: Final answer
   x = 7,300.46