Finding the Fourth Proportional to 49,049.15, 67,679.75 and 30,897.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,049.15 : 67,679.75 = 30,897.05 : x
2. Step 2: Convert to fraction form
   49,049.15/67,679.75 = 30,897.05/x
3. Step 3: Cross multiply
   49,049.15x = 67,679.75 × 30,897.05
4. Step 4: Simplify right side
   49,049.15x = 2,091,104,358.58
5. Step 5: Solve for x
   x = 2,091,104,358.58/49,049.15
6. Step 6: Final answer
   x = 42,632.84