Finding the Fourth Proportional to 36,387, 50,216.40 and 22,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,387 : 50,216.40 = 22,056.72 : x
2. Step 2: Convert to fraction form
   36,387/50,216.40 = 22,056.72/x
3. Step 3: Cross multiply
   36,387x = 50,216.40 × 22,056.72
4. Step 4: Simplify right side
   36,387x = 1,107,609,074.21
5. Step 5: Solve for x
   x = 1,107,609,074.21/36,387
6. Step 6: Final answer
   x = 30,439.69