Finding the Fourth Proportional to 2,043.28, 2,820.72 and 1,476.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.28 : 2,820.72 = 1,476.64 : x
2. Step 2: Convert to fraction form
   2,043.28/2,820.72 = 1,476.64/x
3. Step 3: Cross multiply
   2,043.28x = 2,820.72 × 1,476.64
4. Step 4: Simplify right side
   2,043.28x = 4,165,187.98
5. Step 5: Solve for x
   x = 4,165,187.98/2,043.28
6. Step 6: Final answer
   x = 2,038.48