Finding the Fourth Proportional to 9,146.58, 12,620.28 and 5,959.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.58 : 12,620.28 = 5,959.56 : x
2. Step 2: Convert to fraction form
   9,146.58/12,620.28 = 5,959.56/x
3. Step 3: Cross multiply
   9,146.58x = 12,620.28 × 5,959.56
4. Step 4: Simplify right side
   9,146.58x = 75,211,315.88
5. Step 5: Solve for x
   x = 75,211,315.88/9,146.58
6. Step 6: Final answer
   x = 8,222.89