Finding the Fourth Proportional to 18,755.69, 25,881.88 and 10,256.15

Step by Step Solution

1. Step 1: Write the proportion equation
   18,755.69 : 25,881.88 = 10,256.15 : x
2. Step 2: Convert to fraction form
   18,755.69/25,881.88 = 10,256.15/x
3. Step 3: Cross multiply
   18,755.69x = 25,881.88 × 10,256.15
4. Step 4: Simplify right side
   18,755.69x = 265,448,501.86
5. Step 5: Solve for x
   x = 265,448,501.86/18,755.69
6. Step 6: Final answer
   x = 14,152.96