Finding the Fourth Proportional to 18,111.76, 24,992.88 and 10,152.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.76 : 24,992.88 = 10,152.96 : x
2. Step 2: Convert to fraction form
   18,111.76/24,992.88 = 10,152.96/x
3. Step 3: Cross multiply
   18,111.76x = 24,992.88 × 10,152.96
4. Step 4: Simplify right side
   18,111.76x = 253,751,710.92
5. Step 5: Solve for x
   x = 253,751,710.92/18,111.76
6. Step 6: Final answer
   x = 14,010.33