Finding the Fourth Proportional to 89,757.09, 123,859.71 and 49,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,757.09 : 123,859.71 = 49,470.72 : x
2. Step 2: Convert to fraction form
   89,757.09/123,859.71 = 49,470.72/x
3. Step 3: Cross multiply
   89,757.09x = 123,859.71 × 49,470.72
4. Step 4: Simplify right side
   89,757.09x = 6,127,429,032.69
5. Step 5: Solve for x
   x = 6,127,429,032.69/89,757.09
6. Step 6: Final answer
   x = 68,266.80