Finding the Fourth Proportional to 42,632.74, 63,894.38 and 20,412.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,632.74 : 63,894.38 = 20,412.82 : x
2. Step 2: Convert to fraction form
   42,632.74/63,894.38 = 20,412.82/x
3. Step 3: Cross multiply
   42,632.74x = 63,894.38 × 20,412.82
4. Step 4: Simplify right side
   42,632.74x = 1,304,264,056.42
5. Step 5: Solve for x
   x = 1,304,264,056.42/42,632.74
6. Step 6: Final answer
   x = 30,593.02