Finding the Fourth Proportional to 9,406.02, 12,979.44 and 5,628.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,406.02 : 12,979.44 = 5,628.46 : x
2. Step 2: Convert to fraction form
   9,406.02/12,979.44 = 5,628.46/x
3. Step 3: Cross multiply
   9,406.02x = 12,979.44 × 5,628.46
4. Step 4: Simplify right side
   9,406.02x = 73,054,258.86
5. Step 5: Solve for x
   x = 73,054,258.86/9,406.02
6. Step 6: Final answer
   x = 7,766.76