Finding the Fourth Proportional to 21,759, 32,633.92 and 10,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,759 : 32,633.92 = 10,654.50 : x
2. Step 2: Convert to fraction form
   21,759/32,633.92 = 10,654.50/x
3. Step 3: Cross multiply
   21,759x = 32,633.92 × 10,654.50
4. Step 4: Simplify right side
   21,759x = 347,698,100.64
5. Step 5: Solve for x
   x = 347,698,100.64/21,759
6. Step 6: Final answer
   x = 15,979.51