Finding the Fourth Proportional to 80,437, 111,003.16 and 46,909.48

Step by Step Solution

1. Step 1: Write the proportion equation
   80,437 : 111,003.16 = 46,909.48 : x
2. Step 2: Convert to fraction form
   80,437/111,003.16 = 46,909.48/x
3. Step 3: Cross multiply
   80,437x = 111,003.16 × 46,909.48
4. Step 4: Simplify right side
   80,437x = 5,207,100,513.96
5. Step 5: Solve for x
   x = 5,207,100,513.96/80,437
6. Step 6: Final answer
   x = 64,735.14