Finding the Fourth Proportional to 17,978.34, 24,810.23 and 10,021.07

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.34 : 24,810.23 = 10,021.07 : x
2. Step 2: Convert to fraction form
   17,978.34/24,810.23 = 10,021.07/x
3. Step 3: Cross multiply
   17,978.34x = 24,810.23 × 10,021.07
4. Step 4: Simplify right side
   17,978.34x = 248,625,101.05
5. Step 5: Solve for x
   x = 248,625,101.05/17,978.34
6. Step 6: Final answer
   x = 13,829.14