Finding the Fourth Proportional to 4,789.30, 6,608.06 and 3,192.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789.30 : 6,608.06 = 3,192.78 : x
2. Step 2: Convert to fraction form
   4,789.30/6,608.06 = 3,192.78/x
3. Step 3: Cross multiply
   4,789.30x = 6,608.06 × 3,192.78
4. Step 4: Simplify right side
   4,789.30x = 21,098,081.81
5. Step 5: Solve for x
   x = 21,098,081.81/4,789.30
6. Step 6: Final answer
   x = 4,405.25