Finding the Fourth Proportional to 2,592.32, 3,576.72 and 1,648.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.32 : 3,576.72 = 1,648.64 : x
2. Step 2: Convert to fraction form
   2,592.32/3,576.72 = 1,648.64/x
3. Step 3: Cross multiply
   2,592.32x = 3,576.72 × 1,648.64
4. Step 4: Simplify right side
   2,592.32x = 5,896,723.66
5. Step 5: Solve for x
   x = 5,896,723.66/2,592.32
6. Step 6: Final answer
   x = 2,274.69