Finding the Fourth Proportional to 49,425.48, 68,208.34 and 28,206.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,425.48 : 68,208.34 = 28,206.72 : x
2. Step 2: Convert to fraction form
   49,425.48/68,208.34 = 28,206.72/x
3. Step 3: Cross multiply
   49,425.48x = 68,208.34 × 28,206.72
4. Step 4: Simplify right side
   49,425.48x = 1,923,933,548.04
5. Step 5: Solve for x
   x = 1,923,933,548.04/49,425.48
6. Step 6: Final answer
   x = 38,925.95