Finding the Fourth Proportional to 9,540.60, 13,166.37 and 5,561.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,540.60 : 13,166.37 = 5,561.07 : x
2. Step 2: Convert to fraction form
   9,540.60/13,166.37 = 5,561.07/x
3. Step 3: Cross multiply
   9,540.60x = 13,166.37 × 5,561.07
4. Step 4: Simplify right side
   9,540.60x = 73,219,105.22
5. Step 5: Solve for x
   x = 73,219,105.22/9,540.60
6. Step 6: Final answer
   x = 7,674.48