Finding the Fourth Proportional to 17,899.47, 24,701.27 and 9,942.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,899.47 : 24,701.27 = 9,942.43 : x
2. Step 2: Convert to fraction form
   17,899.47/24,701.27 = 9,942.43/x
3. Step 3: Cross multiply
   17,899.47x = 24,701.27 × 9,942.43
4. Step 4: Simplify right side
   17,899.47x = 245,590,647.89
5. Step 5: Solve for x
   x = 245,590,647.89/17,899.47
6. Step 6: Final answer
   x = 13,720.55