Finding the Fourth Proportional to 137,603.82, 206,426.25 and 48,849.89

Step by Step Solution

1. Step 1: Write the proportion equation
   137,603.82 : 206,426.25 = 48,849.89 : x
2. Step 2: Convert to fraction form
   137,603.82/206,426.25 = 48,849.89/x
3. Step 3: Cross multiply
   137,603.82x = 206,426.25 × 48,849.89
4. Step 4: Simplify right side
   137,603.82x = 10,083,900,121.68
5. Step 5: Solve for x
   x = 10,083,900,121.68/137,603.82
6. Step 6: Final answer
   x = 73,282.12