Finding the Fourth Proportional to 4,789.01, 6,606.56 and 3,196.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,789.01 : 6,606.56 = 3,196.40 : x
2. Step 2: Convert to fraction form
   4,789.01/6,606.56 = 3,196.40/x
3. Step 3: Cross multiply
   4,789.01x = 6,606.56 × 3,196.40
4. Step 4: Simplify right side
   4,789.01x = 21,117,159.37
5. Step 5: Solve for x
   x = 21,117,159.37/4,789.01
6. Step 6: Final answer
   x = 4,409.51