Finding the Fourth Proportional to 49,059.69, 67,693.12 and 28,922.89

Step by Step Solution

1. Step 1: Write the proportion equation
   49,059.69 : 67,693.12 = 28,922.89 : x
2. Step 2: Convert to fraction form
   49,059.69/67,693.12 = 28,922.89/x
3. Step 3: Cross multiply
   49,059.69x = 67,693.12 × 28,922.89
4. Step 4: Simplify right side
   49,059.69x = 1,957,880,421.98
5. Step 5: Solve for x
   x = 1,957,880,421.98/49,059.69
6. Step 6: Final answer
   x = 39,908.13