Finding the Fourth Proportional to 49,423.89, 68,209.86 and 28,206.35

Step by Step Solution

1. Step 1: Write the proportion equation
   49,423.89 : 68,209.86 = 28,206.35 : x
2. Step 2: Convert to fraction form
   49,423.89/68,209.86 = 28,206.35/x
3. Step 3: Cross multiply
   49,423.89x = 68,209.86 × 28,206.35
4. Step 4: Simplify right side
   49,423.89x = 1,923,950,843.56
5. Step 5: Solve for x
   x = 1,923,950,843.56/49,423.89
6. Step 6: Final answer
   x = 38,927.55