Finding the Fourth Proportional to 17,978.04, 24,809.40 and 10,020.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.04 : 24,809.40 = 10,020.24 : x
2. Step 2: Convert to fraction form
   17,978.04/24,809.40 = 10,020.24/x
3. Step 3: Cross multiply
   17,978.04x = 24,809.40 × 10,020.24
4. Step 4: Simplify right side
   17,978.04x = 248,596,142.26
5. Step 5: Solve for x
   x = 248,596,142.26/17,978.04
6. Step 6: Final answer
   x = 13,827.77