Finding the Fourth Proportional to 89,388.81, 123,358.86 and 50,623.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,388.81 : 123,358.86 = 50,623.52 : x
2. Step 2: Convert to fraction form
   89,388.81/123,358.86 = 50,623.52/x
3. Step 3: Cross multiply
   89,388.81x = 123,358.86 × 50,623.52
4. Step 4: Simplify right side
   89,388.81x = 6,244,859,099.59
5. Step 5: Solve for x
   x = 6,244,859,099.59/89,388.81
6. Step 6: Final answer
   x = 69,861.75