Finding the Fourth Proportional to 32,955.28, 45,499.28 and 21,644.88

Step by Step Solution

1. Step 1: Write the proportion equation
   32,955.28 : 45,499.28 = 21,644.88 : x
2. Step 2: Convert to fraction form
   32,955.28/45,499.28 = 21,644.88/x
3. Step 3: Cross multiply
   32,955.28x = 45,499.28 × 21,644.88
4. Step 4: Simplify right side
   32,955.28x = 984,826,455.69
5. Step 5: Solve for x
   x = 984,826,455.69/32,955.28
6. Step 6: Final answer
   x = 29,883.72