Finding the Fourth Proportional to 6,632.79, 9,949.34 and 2,189.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,632.79 : 9,949.34 = 2,189.02 : x
2. Step 2: Convert to fraction form
   6,632.79/9,949.34 = 2,189.02/x
3. Step 3: Cross multiply
   6,632.79x = 9,949.34 × 2,189.02
4. Step 4: Simplify right side
   6,632.79x = 21,779,304.25
5. Step 5: Solve for x
   x = 21,779,304.25/6,632.79
6. Step 6: Final answer
   x = 3,283.58