Finding the Fourth Proportional to 17,382.50, 23,987.69 and 9,830.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,382.50 : 23,987.69 = 9,830.30 : x
2. Step 2: Convert to fraction form
   17,382.50/23,987.69 = 9,830.30/x
3. Step 3: Cross multiply
   17,382.50x = 23,987.69 × 9,830.30
4. Step 4: Simplify right side
   17,382.50x = 235,806,273.55
5. Step 5: Solve for x
   x = 235,806,273.55/17,382.50
6. Step 6: Final answer
   x = 13,565.73