Finding the Fourth Proportional to 47,043.28, 64,920 and 25,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,043.28 : 64,920 = 25,822.72 : x
2. Step 2: Convert to fraction form
   47,043.28/64,920 = 25,822.72/x
3. Step 3: Cross multiply
   47,043.28x = 64,920 × 25,822.72
4. Step 4: Simplify right side
   47,043.28x = 1,676,410,982.40
5. Step 5: Solve for x
   x = 1,676,410,982.40/47,043.28
6. Step 6: Final answer
   x = 35,635.50