Finding the Fourth Proportional to 49,589.72, 68,433.86 and 28,369.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,589.72 : 68,433.86 = 28,369.04 : x
2. Step 2: Convert to fraction form
   49,589.72/68,433.86 = 28,369.04/x
3. Step 3: Cross multiply
   49,589.72x = 68,433.86 × 28,369.04
4. Step 4: Simplify right side
   49,589.72x = 1,941,402,640.45
5. Step 5: Solve for x
   x = 1,941,402,640.45/49,589.72
6. Step 6: Final answer
   x = 39,149.30