Finding the Fourth Proportional to 17,380.46, 23,985.06 and 9,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,380.46 : 23,985.06 = 9,422.72 : x
2. Step 2: Convert to fraction form
   17,380.46/23,985.06 = 9,422.72/x
3. Step 3: Cross multiply
   17,380.46x = 23,985.06 × 9,422.72
4. Step 4: Simplify right side
   17,380.46x = 226,004,384.64
5. Step 5: Solve for x
   x = 226,004,384.64/17,380.46
6. Step 6: Final answer
   x = 13,003.36