Finding the Fourth Proportional to 42,108.66, 63,108.15 and 17,119.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108.66 : 63,108.15 = 17,119.56 : x
2. Step 2: Convert to fraction form
   42,108.66/63,108.15 = 17,119.56/x
3. Step 3: Cross multiply
   42,108.66x = 63,108.15 × 17,119.56
4. Step 4: Simplify right side
   42,108.66x = 1,080,383,760.41
5. Step 5: Solve for x
   x = 1,080,383,760.41/42,108.66
6. Step 6: Final answer
   x = 25,657.04