Finding the Fourth Proportional to 9,559.81, 13,191.78 and 5,367.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.81 : 13,191.78 = 5,367.25 : x
2. Step 2: Convert to fraction form
   9,559.81/13,191.78 = 5,367.25/x
3. Step 3: Cross multiply
   9,559.81x = 13,191.78 × 5,367.25
4. Step 4: Simplify right side
   9,559.81x = 70,803,581.21
5. Step 5: Solve for x
   x = 70,803,581.21/9,559.81
6. Step 6: Final answer
   x = 7,406.38