Finding the Fourth Proportional to 32,915.20, 49,375.68 and 10,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,915.20 : 49,375.68 = 10,722.72 : x
2. Step 2: Convert to fraction form
   32,915.20/49,375.68 = 10,722.72/x
3. Step 3: Cross multiply
   32,915.20x = 49,375.68 × 10,722.72
4. Step 4: Simplify right side
   32,915.20x = 529,441,591.45
5. Step 5: Solve for x
   x = 529,441,591.45/32,915.20
6. Step 6: Final answer
   x = 16,085.02