Finding the Fourth Proportional to 89,839.80, 123,969.06 and 49,551

Step by Step Solution

1. Step 1: Write the proportion equation
   89,839.80 : 123,969.06 = 49,551 : x
2. Step 2: Convert to fraction form
   89,839.80/123,969.06 = 49,551/x
3. Step 3: Cross multiply
   89,839.80x = 123,969.06 × 49,551
4. Step 4: Simplify right side
   89,839.80x = 6,142,790,892.06
5. Step 5: Solve for x
   x = 6,142,790,892.06/89,839.80
6. Step 6: Final answer
   x = 68,374.94