Finding the Fourth Proportional to 80,334.22, 120,573.61 and 42,926.27

Step by Step Solution

1. Step 1: Write the proportion equation
   80,334.22 : 120,573.61 = 42,926.27 : x
2. Step 2: Convert to fraction form
   80,334.22/120,573.61 = 42,926.27/x
3. Step 3: Cross multiply
   80,334.22x = 120,573.61 × 42,926.27
4. Step 4: Simplify right side
   80,334.22x = 5,175,775,337.73
5. Step 5: Solve for x
   x = 5,175,775,337.73/80,334.22
6. Step 6: Final answer
   x = 64,428.03