Finding the Fourth Proportional to 17,978.33, 24,811.41 and 10,021.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.33 : 24,811.41 = 10,021.89 : x
2. Step 2: Convert to fraction form
   17,978.33/24,811.41 = 10,021.89/x
3. Step 3: Cross multiply
   17,978.33x = 24,811.41 × 10,021.89
4. Step 4: Simplify right side
   17,978.33x = 248,657,221.76
5. Step 5: Solve for x
   x = 248,657,221.76/17,978.33
6. Step 6: Final answer
   x = 13,830.94