Finding the Fourth Proportional to 9,558.73, 13,190.61 and 5,310.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558.73 : 13,190.61 = 5,310.06 : x
2. Step 2: Convert to fraction form
   9,558.73/13,190.61 = 5,310.06/x
3. Step 3: Cross multiply
   9,558.73x = 13,190.61 × 5,310.06
4. Step 4: Simplify right side
   9,558.73x = 70,042,930.54
5. Step 5: Solve for x
   x = 70,042,930.54/9,558.73
6. Step 6: Final answer
   x = 7,327.64