Finding the Fourth Proportional to 17,978.11, 24,809.82 and 10,020.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.11 : 24,809.82 = 10,020.61 : x
2. Step 2: Convert to fraction form
   17,978.11/24,809.82 = 10,020.61/x
3. Step 3: Cross multiply
   17,978.11x = 24,809.82 × 10,020.61
4. Step 4: Simplify right side
   17,978.11x = 248,609,530.39
5. Step 5: Solve for x
   x = 248,609,530.39/17,978.11
6. Step 6: Final answer
   x = 13,828.46