Finding the Fourth Proportional to 9,561.56, 14,340.72 and 2,636.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.56 : 14,340.72 = 2,636.06 : x
2. Step 2: Convert to fraction form
   9,561.56/14,340.72 = 2,636.06/x
3. Step 3: Cross multiply
   9,561.56x = 14,340.72 × 2,636.06
4. Step 4: Simplify right side
   9,561.56x = 37,802,998.36
5. Step 5: Solve for x
   x = 37,802,998.36/9,561.56
6. Step 6: Final answer
   x = 3,953.64