Finding the Fourth Proportional to 17,899.37, 24,700.45 and 9,942.11

Step by Step Solution

1. Step 1: Write the proportion equation
   17,899.37 : 24,700.45 = 9,942.11 : x
2. Step 2: Convert to fraction form
   17,899.37/24,700.45 = 9,942.11/x
3. Step 3: Cross multiply
   17,899.37x = 24,700.45 × 9,942.11
4. Step 4: Simplify right side
   17,899.37x = 245,574,442.59
5. Step 5: Solve for x
   x = 245,574,442.59/17,899.37
6. Step 6: Final answer
   x = 13,719.72