Finding the Fourth Proportional to 42,241.38, 63,383.57 and 26,443.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,241.38 : 63,383.57 = 26,443.71 : x
2. Step 2: Convert to fraction form
   42,241.38/63,383.57 = 26,443.71/x
3. Step 3: Cross multiply
   42,241.38x = 63,383.57 × 26,443.71
4. Step 4: Simplify right side
   42,241.38x = 1,676,096,611.63
5. Step 5: Solve for x
   x = 1,676,096,611.63/42,241.38
6. Step 6: Final answer
   x = 39,679.02