Finding the Fourth Proportional to 49,040.06, 67,674.63 and 28,897.79

Step by Step Solution

1. Step 1: Write the proportion equation
   49,040.06 : 67,674.63 = 28,897.79 : x
2. Step 2: Convert to fraction form
   49,040.06/67,674.63 = 28,897.79/x
3. Step 3: Cross multiply
   49,040.06x = 67,674.63 × 28,897.79
4. Step 4: Simplify right side
   49,040.06x = 1,955,646,907.69
5. Step 5: Solve for x
   x = 1,955,646,907.69/49,040.06
6. Step 6: Final answer
   x = 39,878.56