Finding the Fourth Proportional to 49,148.82, 67,805.67 and 30,993.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,148.82 : 67,805.67 = 30,993.57 : x
2. Step 2: Convert to fraction form
   49,148.82/67,805.67 = 30,993.57/x
3. Step 3: Cross multiply
   49,148.82x = 67,805.67 × 30,993.57
4. Step 4: Simplify right side
   49,148.82x = 2,101,539,779.54
5. Step 5: Solve for x
   x = 2,101,539,779.54/49,148.82
6. Step 6: Final answer
   x = 42,758.70