Finding the Fourth Proportional to 49,474.56, 68,287.68 and 30,360.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,474.56 : 68,287.68 = 30,360.72 : x
2. Step 2: Convert to fraction form
   49,474.56/68,287.68 = 30,360.72/x
3. Step 3: Cross multiply
   49,474.56x = 68,287.68 × 30,360.72
4. Step 4: Simplify right side
   49,474.56x = 2,073,263,131.93
5. Step 5: Solve for x
   x = 2,073,263,131.93/49,474.56
6. Step 6: Final answer
   x = 41,905.64