Finding the Fourth Proportional to 9,564.51, 13,196.81 and 5,531.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,564.51 : 13,196.81 = 5,531.32 : x
2. Step 2: Convert to fraction form
   9,564.51/13,196.81 = 5,531.32/x
3. Step 3: Cross multiply
   9,564.51x = 13,196.81 × 5,531.32
4. Step 4: Simplify right side
   9,564.51x = 72,995,779.09
5. Step 5: Solve for x
   x = 72,995,779.09/9,564.51
6. Step 6: Final answer
   x = 7,631.94