Finding the Fourth Proportional to 17,993.72, 24,779.44 and 17,939.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,993.72 : 24,779.44 = 17,939.04 : x
2. Step 2: Convert to fraction form
   17,993.72/24,779.44 = 17,939.04/x
3. Step 3: Cross multiply
   17,993.72x = 24,779.44 × 17,939.04
4. Step 4: Simplify right side
   17,993.72x = 444,519,365.34
5. Step 5: Solve for x
   x = 444,519,365.34/17,993.72
6. Step 6: Final answer
   x = 24,704.14