Finding the Fourth Proportional to 49,231.84, 67,797 and 42,768.55

Step by Step Solution

1. Step 1: Write the proportion equation
   49,231.84 : 67,797 = 42,768.55 : x
2. Step 2: Convert to fraction form
   49,231.84/67,797 = 42,768.55/x
3. Step 3: Cross multiply
   49,231.84x = 67,797 × 42,768.55
4. Step 4: Simplify right side
   49,231.84x = 2,899,579,384.35
5. Step 5: Solve for x
   x = 2,899,579,384.35/49,231.84
6. Step 6: Final answer
   x = 58,896.43