Finding the Fourth Proportional to 21,999.36, 32,992.56 and 17,074.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,999.36 : 32,992.56 = 17,074.56 : x
2. Step 2: Convert to fraction form
   21,999.36/32,992.56 = 17,074.56/x
3. Step 3: Cross multiply
   21,999.36x = 32,992.56 × 17,074.56
4. Step 4: Simplify right side
   21,999.36x = 563,333,445.27
5. Step 5: Solve for x
   x = 563,333,445.27/21,999.36
6. Step 6: Final answer
   x = 25,606.81