Finding the Fourth Proportional to 42,451.82, 63,703.25 and 15,817.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,451.82 : 63,703.25 = 15,817.40 : x
2. Step 2: Convert to fraction form
   42,451.82/63,703.25 = 15,817.40/x
3. Step 3: Cross multiply
   42,451.82x = 63,703.25 × 15,817.40
4. Step 4: Simplify right side
   42,451.82x = 1,007,619,786.55
5. Step 5: Solve for x
   x = 1,007,619,786.55/42,451.82
6. Step 6: Final answer
   x = 23,735.61