Finding the Fourth Proportional to 89,339.09, 123,289.56 and 49,056.71

Step by Step Solution

1. Step 1: Write the proportion equation
   89,339.09 : 123,289.56 = 49,056.71 : x
2. Step 2: Convert to fraction form
   89,339.09/123,289.56 = 49,056.71/x
3. Step 3: Cross multiply
   89,339.09x = 123,289.56 × 49,056.71
4. Step 4: Simplify right side
   89,339.09x = 6,048,179,574.50
5. Step 5: Solve for x
   x = 6,048,179,574.50/89,339.09
6. Step 6: Final answer
   x = 67,699.14