Finding the Fourth Proportional to 17,979.50, 24,812.04 and 10,020.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,979.50 : 24,812.04 = 10,020.87 : x
2. Step 2: Convert to fraction form
   17,979.50/24,812.04 = 10,020.87/x
3. Step 3: Cross multiply
   17,979.50x = 24,812.04 × 10,020.87
4. Step 4: Simplify right side
   17,979.50x = 248,638,329.71
5. Step 5: Solve for x
   x = 248,638,329.71/17,979.50
6. Step 6: Final answer
   x = 13,828.99