Finding the Fourth Proportional to 49,622.17, 68,489.42 and 30,518.38

Step by Step Solution

1. Step 1: Write the proportion equation
   49,622.17 : 68,489.42 = 30,518.38 : x
2. Step 2: Convert to fraction form
   49,622.17/68,489.42 = 30,518.38/x
3. Step 3: Cross multiply
   49,622.17x = 68,489.42 × 30,518.38
4. Step 4: Simplify right side
   49,622.17x = 2,090,186,145.54
5. Step 5: Solve for x
   x = 2,090,186,145.54/49,622.17
6. Step 6: Final answer
   x = 42,122.02