Finding the Fourth Proportional to 49,287.76, 73,923.72 and 13,750

Step by Step Solution

1. Step 1: Write the proportion equation
   49,287.76 : 73,923.72 = 13,750 : x
2. Step 2: Convert to fraction form
   49,287.76/73,923.72 = 13,750/x
3. Step 3: Cross multiply
   49,287.76x = 73,923.72 × 13,750
4. Step 4: Simplify right side
   49,287.76x = 1,016,451,150
5. Step 5: Solve for x
   x = 1,016,451,150/49,287.76
6. Step 6: Final answer
   x = 20,622.79