Finding the Fourth Proportional to 21,426.86, 32,141.82 and 6,633.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,426.86 : 32,141.82 = 6,633.88 : x
2. Step 2: Convert to fraction form
   21,426.86/32,141.82 = 6,633.88/x
3. Step 3: Cross multiply
   21,426.86x = 32,141.82 × 6,633.88
4. Step 4: Simplify right side
   21,426.86x = 213,224,976.86
5. Step 5: Solve for x
   x = 213,224,976.86/21,426.86
6. Step 6: Final answer
   x = 9,951.29