Finding the Fourth Proportional to 40,215.98, 55,493.61 and 22,306.52

Step by Step Solution

1. Step 1: Write the proportion equation
   40,215.98 : 55,493.61 = 22,306.52 : x
2. Step 2: Convert to fraction form
   40,215.98/55,493.61 = 22,306.52/x
3. Step 3: Cross multiply
   40,215.98x = 55,493.61 × 22,306.52
4. Step 4: Simplify right side
   40,215.98x = 1,237,869,376.42
5. Step 5: Solve for x
   x = 1,237,869,376.42/40,215.98
6. Step 6: Final answer
   x = 30,780.53