Finding the Fourth Proportional to 49,421.91, 68,231.67 and 30,584.55

Step by Step Solution

1. Step 1: Write the proportion equation
   49,421.91 : 68,231.67 = 30,584.55 : x
2. Step 2: Convert to fraction form
   49,421.91/68,231.67 = 30,584.55/x
3. Step 3: Cross multiply
   49,421.91x = 68,231.67 × 30,584.55
4. Step 4: Simplify right side
   49,421.91x = 2,086,834,922.70
5. Step 5: Solve for x
   x = 2,086,834,922.70/49,421.91
6. Step 6: Final answer
   x = 42,224.89