Finding the Fourth Proportional to 9,357.08, 12,908.25 and 5,579.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,357.08 : 12,908.25 = 5,579.06 : x
2. Step 2: Convert to fraction form
   9,357.08/12,908.25 = 5,579.06/x
3. Step 3: Cross multiply
   9,357.08x = 12,908.25 × 5,579.06
4. Step 4: Simplify right side
   9,357.08x = 72,015,836.70
5. Step 5: Solve for x
   x = 72,015,836.70/9,357.08
6. Step 6: Final answer
   x = 7,696.40