Finding the Fourth Proportional to 137,605.82, 206,429.25 and 48,851.89

Step by Step Solution

1. Step 1: Write the proportion equation
   137,605.82 : 206,429.25 = 48,851.89 : x
2. Step 2: Convert to fraction form
   137,605.82/206,429.25 = 48,851.89/x
3. Step 3: Cross multiply
   137,605.82x = 206,429.25 × 48,851.89
4. Step 4: Simplify right side
   137,605.82x = 10,084,459,013.78
5. Step 5: Solve for x
   x = 10,084,459,013.78/137,605.82
6. Step 6: Final answer
   x = 73,285.12