Finding the Fourth Proportional to 9,556.32, 13,187.52 and 5,577.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556.32 : 13,187.52 = 5,577.36 : x
2. Step 2: Convert to fraction form
   9,556.32/13,187.52 = 5,577.36/x
3. Step 3: Cross multiply
   9,556.32x = 13,187.52 × 5,577.36
4. Step 4: Simplify right side
   9,556.32x = 73,551,546.55
5. Step 5: Solve for x
   x = 73,551,546.55/9,556.32
6. Step 6: Final answer
   x = 7,696.64