Finding the Fourth Proportional to 2,178.52, 3,264.54 and 1,717.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178.52 : 3,264.54 = 1,717.42 : x
2. Step 2: Convert to fraction form
   2,178.52/3,264.54 = 1,717.42/x
3. Step 3: Cross multiply
   2,178.52x = 3,264.54 × 1,717.42
4. Step 4: Simplify right side
   2,178.52x = 5,606,586.29
5. Step 5: Solve for x
   x = 5,606,586.29/2,178.52
6. Step 6: Final answer
   x = 2,573.58