Finding the Fourth Proportional to 89,817.81, 123,946.85 and 49,535.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,817.81 : 123,946.85 = 49,535.30 : x
2. Step 2: Convert to fraction form
   89,817.81/123,946.85 = 49,535.30/x
3. Step 3: Cross multiply
   89,817.81x = 123,946.85 × 49,535.30
4. Step 4: Simplify right side
   89,817.81x = 6,139,743,902.91
5. Step 5: Solve for x
   x = 6,139,743,902.91/89,817.81
6. Step 6: Final answer
   x = 68,357.76