Finding the Fourth Proportional to 89,601.39, 123,646.77 and 49,314.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,601.39 : 123,646.77 = 49,314.87 : x
2. Step 2: Convert to fraction form
   89,601.39/123,646.77 = 49,314.87/x
3. Step 3: Cross multiply
   89,601.39x = 123,646.77 × 49,314.87
4. Step 4: Simplify right side
   89,601.39x = 6,097,624,388.47
5. Step 5: Solve for x
   x = 6,097,624,388.47/89,601.39
6. Step 6: Final answer
   x = 68,052.79