Finding the Fourth Proportional to 80,456.09, 120,609.41 and 43,041.98

Step by Step Solution

1. Step 1: Write the proportion equation
   80,456.09 : 120,609.41 = 43,041.98 : x
2. Step 2: Convert to fraction form
   80,456.09/120,609.41 = 43,041.98/x
3. Step 3: Cross multiply
   80,456.09x = 120,609.41 × 43,041.98
4. Step 4: Simplify right side
   80,456.09x = 5,191,267,899.35
5. Step 5: Solve for x
   x = 5,191,267,899.35/80,456.09
6. Step 6: Final answer
   x = 64,523.00