Finding the Fourth Proportional to 89,812.70, 123,942.41 and 49,528.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,812.70 : 123,942.41 = 49,528.10 : x
2. Step 2: Convert to fraction form
   89,812.70/123,942.41 = 49,528.10/x
3. Step 3: Cross multiply
   89,812.70x = 123,942.41 × 49,528.10
4. Step 4: Simplify right side
   89,812.70x = 6,138,632,076.72
5. Step 5: Solve for x
   x = 6,138,632,076.72/89,812.70
6. Step 6: Final answer
   x = 68,349.27