Finding the Fourth Proportional to 9,558.98, 13,190.73 and 5,309.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558.98 : 13,190.73 = 5,309.69 : x
2. Step 2: Convert to fraction form
   9,558.98/13,190.73 = 5,309.69/x
3. Step 3: Cross multiply
   9,558.98x = 13,190.73 × 5,309.69
4. Step 4: Simplify right side
   9,558.98x = 70,038,621.22
5. Step 5: Solve for x
   x = 70,038,621.22/9,558.98
6. Step 6: Final answer
   x = 7,327.00