Finding the Fourth Proportional to 49,830.74, 74,661.50 and 30,067.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,830.74 : 74,661.50 = 30,067.76 : x
2. Step 2: Convert to fraction form
   49,830.74/74,661.50 = 30,067.76/x
3. Step 3: Cross multiply
   49,830.74x = 74,661.50 × 30,067.76
4. Step 4: Simplify right side
   49,830.74x = 2,244,903,735.96
5. Step 5: Solve for x
   x = 2,244,903,735.96/49,830.74
6. Step 6: Final answer
   x = 45,050.58