Finding the Fourth Proportional to 80,443.07, 111,027.59 and 46,457.09

Step by Step Solution

1. Step 1: Write the proportion equation
   80,443.07 : 111,027.59 = 46,457.09 : x
2. Step 2: Convert to fraction form
   80,443.07/111,027.59 = 46,457.09/x
3. Step 3: Cross multiply
   80,443.07x = 111,027.59 × 46,457.09
4. Step 4: Simplify right side
   80,443.07x = 5,158,018,544.26
5. Step 5: Solve for x
   x = 5,158,018,544.26/80,443.07
6. Step 6: Final answer
   x = 64,120.11