Finding the Fourth Proportional to 17,380.82, 23,985.42 and 9,423.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,380.82 : 23,985.42 = 9,423.02 : x
2. Step 2: Convert to fraction form
   17,380.82/23,985.42 = 9,423.02/x
3. Step 3: Cross multiply
   17,380.82x = 23,985.42 × 9,423.02
4. Step 4: Simplify right side
   17,380.82x = 226,015,092.37
5. Step 5: Solve for x
   x = 226,015,092.37/17,380.82
6. Step 6: Final answer
   x = 13,003.71