Finding the Fourth Proportional to 80,766.56, 121,142.90 and 49,168.42

Step by Step Solution

1. Step 1: Write the proportion equation
   80,766.56 : 121,142.90 = 49,168.42 : x
2. Step 2: Convert to fraction form
   80,766.56/121,142.90 = 49,168.42/x
3. Step 3: Cross multiply
   80,766.56x = 121,142.90 × 49,168.42
4. Step 4: Simplify right side
   80,766.56x = 5,956,404,987.22
5. Step 5: Solve for x
   x = 5,956,404,987.22/80,766.56
6. Step 6: Final answer
   x = 73,748.41