Finding the Fourth Proportional to 1,715.72, 2,567.04 and 1,553.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,715.72 : 2,567.04 = 1,553.72 : x
2. Step 2: Convert to fraction form
   1,715.72/2,567.04 = 1,553.72/x
3. Step 3: Cross multiply
   1,715.72x = 2,567.04 × 1,553.72
4. Step 4: Simplify right side
   1,715.72x = 3,988,461.39
5. Step 5: Solve for x
   x = 3,988,461.39/1,715.72
6. Step 6: Final answer
   x = 2,324.66