Finding the Fourth Proportional to 25,414.34, 35,105.22 and 19,518.86

Step by Step Solution

1. Step 1: Write the proportion equation
   25,414.34 : 35,105.22 = 19,518.86 : x
2. Step 2: Convert to fraction form
   25,414.34/35,105.22 = 19,518.86/x
3. Step 3: Cross multiply
   25,414.34x = 35,105.22 × 19,518.86
4. Step 4: Simplify right side
   25,414.34x = 685,213,698.92
5. Step 5: Solve for x
   x = 685,213,698.92/25,414.34
6. Step 6: Final answer
   x = 26,961.70