Finding the Fourth Proportional to 89,854.19, 123,993.47 and 49,568.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,854.19 : 123,993.47 = 49,568.03 : x
2. Step 2: Convert to fraction form
   89,854.19/123,993.47 = 49,568.03/x
3. Step 3: Cross multiply
   89,854.19x = 123,993.47 × 49,568.03
4. Step 4: Simplify right side
   89,854.19x = 6,146,111,792.92
5. Step 5: Solve for x
   x = 6,146,111,792.92/89,854.19
6. Step 6: Final answer
   x = 68,400.95