Finding the Fourth Proportional to 89,757.99, 123,865.38 and 49,471.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,757.99 : 123,865.38 = 49,471.77 : x
2. Step 2: Convert to fraction form
   89,757.99/123,865.38 = 49,471.77/x
3. Step 3: Cross multiply
   89,757.99x = 123,865.38 × 49,471.77
4. Step 4: Simplify right side
   89,757.99x = 6,127,839,590.32
5. Step 5: Solve for x
   x = 6,127,839,590.32/89,757.99
6. Step 6: Final answer
   x = 68,270.69