Finding the Fourth Proportional to 89,338.62, 123,288.60 and 49,056

Step by Step Solution

1. Step 1: Write the proportion equation
   89,338.62 : 123,288.60 = 49,056 : x
2. Step 2: Convert to fraction form
   89,338.62/123,288.60 = 49,056/x
3. Step 3: Cross multiply
   89,338.62x = 123,288.60 × 49,056
4. Step 4: Simplify right side
   89,338.62x = 6,048,045,561.60
5. Step 5: Solve for x
   x = 6,048,045,561.60/89,338.62
6. Step 6: Final answer
   x = 67,698.00