Finding the Fourth Proportional to 49,610.50, 68,472.21 and 30,496.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,610.50 : 68,472.21 = 30,496.30 : x
2. Step 2: Convert to fraction form
   49,610.50/68,472.21 = 30,496.30/x
3. Step 3: Cross multiply
   49,610.50x = 68,472.21 × 30,496.30
4. Step 4: Simplify right side
   49,610.50x = 2,088,149,057.82
5. Step 5: Solve for x
   x = 2,088,149,057.82/49,610.50
6. Step 6: Final answer
   x = 42,090.87