Finding the Fourth Proportional to 17,980.41, 24,813.29 and 10,021.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,980.41 : 24,813.29 = 10,021.78 : x
2. Step 2: Convert to fraction form
   17,980.41/24,813.29 = 10,021.78/x
3. Step 3: Cross multiply
   17,980.41x = 24,813.29 × 10,021.78
4. Step 4: Simplify right side
   17,980.41x = 248,673,333.46
5. Step 5: Solve for x
   x = 248,673,333.46/17,980.41
6. Step 6: Final answer
   x = 13,830.24