Finding the Fourth Proportional to 81,550.89, 122,324.72 and 46,415.25

Step by Step Solution

1. Step 1: Write the proportion equation
   81,550.89 : 122,324.72 = 46,415.25 : x
2. Step 2: Convert to fraction form
   81,550.89/122,324.72 = 46,415.25/x
3. Step 3: Cross multiply
   81,550.89x = 122,324.72 × 46,415.25
4. Step 4: Simplify right side
   81,550.89x = 5,677,732,227.90
5. Step 5: Solve for x
   x = 5,677,732,227.90/81,550.89
6. Step 6: Final answer
   x = 69,621.95