Finding the Fourth Proportional to 21,507.88, 32,196.30 and 17,308.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,507.88 : 32,196.30 = 17,308.84 : x
2. Step 2: Convert to fraction form
   21,507.88/32,196.30 = 17,308.84/x
3. Step 3: Cross multiply
   21,507.88x = 32,196.30 × 17,308.84
4. Step 4: Simplify right side
   21,507.88x = 557,280,605.29
5. Step 5: Solve for x
   x = 557,280,605.29/21,507.88
6. Step 6: Final answer
   x = 25,910.53