Finding the Fourth Proportional to 18,100.24, 24,976 and 10,140.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,100.24 : 24,976 = 10,140.50 : x
2. Step 2: Convert to fraction form
   18,100.24/24,976 = 10,140.50/x
3. Step 3: Cross multiply
   18,100.24x = 24,976 × 10,140.50
4. Step 4: Simplify right side
   18,100.24x = 253,269,128
5. Step 5: Solve for x
   x = 253,269,128/18,100.24
6. Step 6: Final answer
   x = 13,992.58