Finding the Fourth Proportional to 80,582.99, 120,877.52 and 30,653.78

Step by Step Solution

1. Step 1: Write the proportion equation
   80,582.99 : 120,877.52 = 30,653.78 : x
2. Step 2: Convert to fraction form
   80,582.99/120,877.52 = 30,653.78/x
3. Step 3: Cross multiply
   80,582.99x = 120,877.52 × 30,653.78
4. Step 4: Simplify right side
   80,582.99x = 3,705,352,147.37
5. Step 5: Solve for x
   x = 3,705,352,147.37/80,582.99
6. Step 6: Final answer
   x = 45,981.82