Finding the Fourth Proportional to 1,713.72, 2,564.04 and 1,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713.72 : 2,564.04 = 1,551.72 : x
2. Step 2: Convert to fraction form
   1,713.72/2,564.04 = 1,551.72/x
3. Step 3: Cross multiply
   1,713.72x = 2,564.04 × 1,551.72
4. Step 4: Simplify right side
   1,713.72x = 3,978,672.15
5. Step 5: Solve for x
   x = 3,978,672.15/1,713.72
6. Step 6: Final answer
   x = 2,321.66