Finding the Fourth Proportional to 47,436, 71,144.86 and 22,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   47,436 : 71,144.86 = 22,128.52 : x
2. Step 2: Convert to fraction form
   47,436/71,144.86 = 22,128.52/x
3. Step 3: Cross multiply
   47,436x = 71,144.86 × 22,128.52
4. Step 4: Simplify right side
   47,436x = 1,574,330,457.41
5. Step 5: Solve for x
   x = 1,574,330,457.41/47,436
6. Step 6: Final answer
   x = 33,188.52