Finding the Fourth Proportional to 49,608.50, 68,469.45 and 30,494.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,608.50 : 68,469.45 = 30,494.30 : x
2. Step 2: Convert to fraction form
   49,608.50/68,469.45 = 30,494.30/x
3. Step 3: Cross multiply
   49,608.50x = 68,469.45 × 30,494.30
4. Step 4: Simplify right side
   49,608.50x = 2,087,927,949.14
5. Step 5: Solve for x
   x = 2,087,927,949.14/49,608.50
6. Step 6: Final answer
   x = 42,088.11