Finding the Fourth Proportional to 49,678.52, 68,567.04 and 30,574.53

Step by Step Solution

1. Step 1: Write the proportion equation
   49,678.52 : 68,567.04 = 30,574.53 : x
2. Step 2: Convert to fraction form
   49,678.52/68,567.04 = 30,574.53/x
3. Step 3: Cross multiply
   49,678.52x = 68,567.04 × 30,574.53
4. Step 4: Simplify right side
   49,678.52x = 2,096,405,021.49
5. Step 5: Solve for x
   x = 2,096,405,021.49/49,678.52
6. Step 6: Final answer
   x = 42,199.43