Finding the Fourth Proportional to 89,496.72, 123,505.94 and 49,213.07

Step by Step Solution

1. Step 1: Write the proportion equation
   89,496.72 : 123,505.94 = 49,213.07 : x
2. Step 2: Convert to fraction form
   89,496.72/123,505.94 = 49,213.07/x
3. Step 3: Cross multiply
   89,496.72x = 123,505.94 × 49,213.07
4. Step 4: Simplify right side
   89,496.72x = 6,078,105,607.04
5. Step 5: Solve for x
   x = 6,078,105,607.04/89,496.72
6. Step 6: Final answer
   x = 67,914.28