Finding the Fourth Proportional to 21,754.02, 32,645.61 and 13,968.30

Step by Step Solution

1. Step 1: Write the proportion equation
   21,754.02 : 32,645.61 = 13,968.30 : x
2. Step 2: Convert to fraction form
   21,754.02/32,645.61 = 13,968.30/x
3. Step 3: Cross multiply
   21,754.02x = 32,645.61 × 13,968.30
4. Step 4: Simplify right side
   21,754.02x = 456,003,557.63
5. Step 5: Solve for x
   x = 456,003,557.63/21,754.02
6. Step 6: Final answer
   x = 20,961.81