Finding the Fourth Proportional to 49,111.68, 67,771.92 and 28,695.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,111.68 : 67,771.92 = 28,695.63 : x
2. Step 2: Convert to fraction form
   49,111.68/67,771.92 = 28,695.63/x
3. Step 3: Cross multiply
   49,111.68x = 67,771.92 × 28,695.63
4. Step 4: Simplify right side
   49,111.68x = 1,944,757,940.71
5. Step 5: Solve for x
   x = 1,944,757,940.71/49,111.68
6. Step 6: Final answer
   x = 39,598.68