Finding the Fourth Proportional to 17,899.34, 24,701.40 and 9,942.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,899.34 : 24,701.40 = 9,942.30 : x
2. Step 2: Convert to fraction form
   17,899.34/24,701.40 = 9,942.30/x
3. Step 3: Cross multiply
   17,899.34x = 24,701.40 × 9,942.30
4. Step 4: Simplify right side
   17,899.34x = 245,588,729.22
5. Step 5: Solve for x
   x = 245,588,729.22/17,899.34
6. Step 6: Final answer
   x = 13,720.55