Finding the Fourth Proportional to 42,112.84, 63,168.38 and 17,151.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,112.84 : 63,168.38 = 17,151.88 : x
2. Step 2: Convert to fraction form
   42,112.84/63,168.38 = 17,151.88/x
3. Step 3: Cross multiply
   42,112.84x = 63,168.38 × 17,151.88
4. Step 4: Simplify right side
   42,112.84x = 1,083,456,473.55
5. Step 5: Solve for x
   x = 1,083,456,473.55/42,112.84
6. Step 6: Final answer
   x = 25,727.46