Finding the Fourth Proportional to 9,561.51, 13,192.74 and 8,300.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.51 : 13,192.74 = 8,300.34 : x
2. Step 2: Convert to fraction form
   9,561.51/13,192.74 = 8,300.34/x
3. Step 3: Cross multiply
   9,561.51x = 13,192.74 × 8,300.34
4. Step 4: Simplify right side
   9,561.51x = 109,504,227.53
5. Step 5: Solve for x
   x = 109,504,227.53/9,561.51
6. Step 6: Final answer
   x = 11,452.61