Finding the Fourth Proportional to 89,172.50, 123,059.04 and 50,937.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,172.50 : 123,059.04 = 50,937.09 : x
2. Step 2: Convert to fraction form
   89,172.50/123,059.04 = 50,937.09/x
3. Step 3: Cross multiply
   89,172.50x = 123,059.04 × 50,937.09
4. Step 4: Simplify right side
   89,172.50x = 6,268,269,586.81
5. Step 5: Solve for x
   x = 6,268,269,586.81/89,172.50
6. Step 6: Final answer
   x = 70,293.76