Finding the Fourth Proportional to 81,923.09, 122,884.59 and 46,838.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,923.09 : 122,884.59 = 46,838.15 : x
2. Step 2: Convert to fraction form
   81,923.09/122,884.59 = 46,838.15/x
3. Step 3: Cross multiply
   81,923.09x = 122,884.59 × 46,838.15
4. Step 4: Simplify right side
   81,923.09x = 5,755,686,010.49
5. Step 5: Solve for x
   x = 5,755,686,010.49/81,923.09
6. Step 6: Final answer
   x = 70,257.19