Finding the Fourth Proportional to 9,559.33, 13,190.12 and 5,781.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.33 : 13,190.12 = 5,781.96 : x
2. Step 2: Convert to fraction form
   9,559.33/13,190.12 = 5,781.96/x
3. Step 3: Cross multiply
   9,559.33x = 13,190.12 × 5,781.96
4. Step 4: Simplify right side
   9,559.33x = 76,264,739.01
5. Step 5: Solve for x
   x = 76,264,739.01/9,559.33
6. Step 6: Final answer
   x = 7,978.04