Finding the Fourth Proportional to 17,382.30, 23,987.60 and 9,424.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,382.30 : 23,987.60 = 9,424.55 : x
2. Step 2: Convert to fraction form
   17,382.30/23,987.60 = 9,424.55/x
3. Step 3: Cross multiply
   17,382.30x = 23,987.60 × 9,424.55
4. Step 4: Simplify right side
   17,382.30x = 226,072,168.52
5. Step 5: Solve for x
   x = 226,072,168.52/17,382.30
6. Step 6: Final answer
   x = 13,005.88