Finding the Fourth Proportional to 9,561.37, 13,194.99 and 5,785.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.37 : 13,194.99 = 5,785.23 : x
2. Step 2: Convert to fraction form
   9,561.37/13,194.99 = 5,785.23/x
3. Step 3: Cross multiply
   9,561.37x = 13,194.99 × 5,785.23
4. Step 4: Simplify right side
   9,561.37x = 76,336,023.07
5. Step 5: Solve for x
   x = 76,336,023.07/9,561.37
6. Step 6: Final answer
   x = 7,983.80