Finding the Fourth Proportional to 80,354.42, 120,586.08 and 32,978.06

Step by Step Solution

1. Step 1: Write the proportion equation
   80,354.42 : 120,586.08 = 32,978.06 : x
2. Step 2: Convert to fraction form
   80,354.42/120,586.08 = 32,978.06/x
3. Step 3: Cross multiply
   80,354.42x = 120,586.08 × 32,978.06
4. Step 4: Simplify right side
   80,354.42x = 3,976,694,378.47
5. Step 5: Solve for x
   x = 3,976,694,378.47/80,354.42
6. Step 6: Final answer
   x = 49,489.43