Finding the Fourth Proportional to 17,985.87, 24,820.61 and 10,028.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,985.87 : 24,820.61 = 10,028.61 : x
2. Step 2: Convert to fraction form
   17,985.87/24,820.61 = 10,028.61/x
3. Step 3: Cross multiply
   17,985.87x = 24,820.61 × 10,028.61
4. Step 4: Simplify right side
   17,985.87x = 248,916,167.51
5. Step 5: Solve for x
   x = 248,916,167.51/17,985.87
6. Step 6: Final answer
   x = 13,839.54