Finding the Fourth Proportional to 49,085.24, 67,729.50 and 28,939.41

Step by Step Solution

1. Step 1: Write the proportion equation
   49,085.24 : 67,729.50 = 28,939.41 : x
2. Step 2: Convert to fraction form
   49,085.24/67,729.50 = 28,939.41/x
3. Step 3: Cross multiply
   49,085.24x = 67,729.50 × 28,939.41
4. Step 4: Simplify right side
   49,085.24x = 1,960,051,769.60
5. Step 5: Solve for x
   x = 1,960,051,769.60/49,085.24
6. Step 6: Final answer
   x = 39,931.60