Finding the Fourth Proportional to 6,632.01, 9,946.89 and 2,188.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,632.01 : 9,946.89 = 2,188.31 : x
2. Step 2: Convert to fraction form
   6,632.01/9,946.89 = 2,188.31/x
3. Step 3: Cross multiply
   6,632.01x = 9,946.89 × 2,188.31
4. Step 4: Simplify right side
   6,632.01x = 21,766,829.12
5. Step 5: Solve for x
   x = 21,766,829.12/6,632.01
6. Step 6: Final answer
   x = 3,282.09