Finding the Fourth Proportional to 17,986.86, 24,821.50 and 10,028.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,986.86 : 24,821.50 = 10,028.61 : x
2. Step 2: Convert to fraction form
   17,986.86/24,821.50 = 10,028.61/x
3. Step 3: Cross multiply
   17,986.86x = 24,821.50 × 10,028.61
4. Step 4: Simplify right side
   17,986.86x = 248,925,143.12
5. Step 5: Solve for x
   x = 248,925,143.12/17,986.86
6. Step 6: Final answer
   x = 13,839.28