Finding the Fourth Proportional to 72,867.80, 109,318.15 and 22,271.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,867.80 : 109,318.15 = 22,271.42 : x
2. Step 2: Convert to fraction form
   72,867.80/109,318.15 = 22,271.42/x
3. Step 3: Cross multiply
   72,867.80x = 109,318.15 × 22,271.42
4. Step 4: Simplify right side
   72,867.80x = 2,434,670,432.27
5. Step 5: Solve for x
   x = 2,434,670,432.27/72,867.80
6. Step 6: Final answer
   x = 33,412.16