Finding the Fourth Proportional to 17,978.97, 24,811.83 and 10,021.26

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.97 : 24,811.83 = 10,021.26 : x
2. Step 2: Convert to fraction form
   17,978.97/24,811.83 = 10,021.26/x
3. Step 3: Cross multiply
   17,978.97x = 24,811.83 × 10,021.26
4. Step 4: Simplify right side
   17,978.97x = 248,645,799.51
5. Step 5: Solve for x
   x = 248,645,799.51/17,978.97
6. Step 6: Final answer
   x = 13,829.81