Finding the Fourth Proportional to 80,600.74, 120,994.52 and 43,233.79

Step by Step Solution

1. Step 1: Write the proportion equation
   80,600.74 : 120,994.52 = 43,233.79 : x
2. Step 2: Convert to fraction form
   80,600.74/120,994.52 = 43,233.79/x
3. Step 3: Cross multiply
   80,600.74x = 120,994.52 × 43,233.79
4. Step 4: Simplify right side
   80,600.74x = 5,231,051,668.83
5. Step 5: Solve for x
   x = 5,231,051,668.83/80,600.74
6. Step 6: Final answer
   x = 64,900.79