Finding the Fourth Proportional to 81,738.72, 122,452.56 and 46,571.76

Step by Step Solution

1. Step 1: Write the proportion equation
   81,738.72 : 122,452.56 = 46,571.76 : x
2. Step 2: Convert to fraction form
   81,738.72/122,452.56 = 46,571.76/x
3. Step 3: Cross multiply
   81,738.72x = 122,452.56 × 46,571.76
4. Step 4: Simplify right side
   81,738.72x = 5,702,831,235.71
5. Step 5: Solve for x
   x = 5,702,831,235.71/81,738.72
6. Step 6: Final answer
   x = 69,769.03