Finding the Fourth Proportional to 49,845.56, 74,731.42 and 30,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,845.56 : 74,731.42 = 30,119.50 : x
2. Step 2: Convert to fraction form
   49,845.56/74,731.42 = 30,119.50/x
3. Step 3: Cross multiply
   49,845.56x = 74,731.42 × 30,119.50
4. Step 4: Simplify right side
   49,845.56x = 2,250,873,004.69
5. Step 5: Solve for x
   x = 2,250,873,004.69/49,845.56
6. Step 6: Final answer
   x = 45,156.94