Finding the Fourth Proportional to 42,634.86, 63,897.56 and 20,414.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,634.86 : 63,897.56 = 20,414.94 : x
2. Step 2: Convert to fraction form
   42,634.86/63,897.56 = 20,414.94/x
3. Step 3: Cross multiply
   42,634.86x = 63,897.56 × 20,414.94
4. Step 4: Simplify right side
   42,634.86x = 1,304,464,853.55
5. Step 5: Solve for x
   x = 1,304,464,853.55/42,634.86
6. Step 6: Final answer
   x = 30,596.20