Finding the Fourth Proportional to 50,919.22, 70,271.31 and 30,776.01

Step by Step Solution

1. Step 1: Write the proportion equation
   50,919.22 : 70,271.31 = 30,776.01 : x
2. Step 2: Convert to fraction form
   50,919.22/70,271.31 = 30,776.01/x
3. Step 3: Cross multiply
   50,919.22x = 70,271.31 × 30,776.01
4. Step 4: Simplify right side
   50,919.22x = 2,162,670,539.27
5. Step 5: Solve for x
   x = 2,162,670,539.27/50,919.22
6. Step 6: Final answer
   x = 42,472.58