Finding the Fourth Proportional to 17,978.96, 24,810.30 and 10,021.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.96 : 24,810.30 = 10,021.02 : x
2. Step 2: Convert to fraction form
   17,978.96/24,810.30 = 10,021.02/x
3. Step 3: Cross multiply
   17,978.96x = 24,810.30 × 10,021.02
4. Step 4: Simplify right side
   17,978.96x = 248,624,419.47
5. Step 5: Solve for x
   x = 248,624,419.47/17,978.96
6. Step 6: Final answer
   x = 13,828.63