Finding the Fourth Proportional to 9,559.59, 13,190.76 and 5,471.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.59 : 13,190.76 = 5,471.07 : x
2. Step 2: Convert to fraction form
   9,559.59/13,190.76 = 5,471.07/x
3. Step 3: Cross multiply
   9,559.59x = 13,190.76 × 5,471.07
4. Step 4: Simplify right side
   9,559.59x = 72,167,571.31
5. Step 5: Solve for x
   x = 72,167,571.31/9,559.59
6. Step 6: Final answer
   x = 7,549.23