Finding the Fourth Proportional to 9,561.34, 13,192.23 and 5,579.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.34 : 13,192.23 = 5,579.92 : x
2. Step 2: Convert to fraction form
   9,561.34/13,192.23 = 5,579.92/x
3. Step 3: Cross multiply
   9,561.34x = 13,192.23 × 5,579.92
4. Step 4: Simplify right side
   9,561.34x = 73,611,588.02
5. Step 5: Solve for x
   x = 73,611,588.02/9,561.34
6. Step 6: Final answer
   x = 7,698.88