Finding the Fourth Proportional to 16,995.70, 23,454.86 and 9,442.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,995.70 : 23,454.86 = 9,442.05 : x
2. Step 2: Convert to fraction form
   16,995.70/23,454.86 = 9,442.05/x
3. Step 3: Cross multiply
   16,995.70x = 23,454.86 × 9,442.05
4. Step 4: Simplify right side
   16,995.70x = 221,461,960.86
5. Step 5: Solve for x
   x = 221,461,960.86/16,995.70
6. Step 6: Final answer
   x = 13,030.47